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NWCC Cycling Glossary

Cycling Terms Every Cyclist Should Know

Welcome to our comprehensive guide to cycling terms! Whether you’re a seasoned cyclist or just starting out on your biking journey, understanding the terminology is key to fully immerse yourself in the world of cycling. If you are new to cycling, you have probably already found that other cyclists are speaking a lot of terms that you don’t understand. This is the place to learn about those terms so that you feel right at home in the club.

From components and techniques to race tactics and equipment, this glossary covers a wide range of terms to help you navigate the cycling landscape with confidence.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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Aero (Aerodynamic)

Aero, or aerodynamics, Refers to the efficiency of a shape or design in minimizing air resistance. In cycling, aerodynamic equipment, including bikes, helmets, and clothing, is engineered to reduce drag, allowing cyclists to move faster with the same amount of effort. Aerodynamics is crucial in racing and time trials, where even small advantages can lead to significant performance gains.

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Aerobars are special handlebars or attachments that allow the rider to adopt a more aerodynamic position by resting their elbows and extending their arms forward. This position reduces wind resistance and can significantly improve speed over long distances. Aerobars are commonly used in time trial and triathlon events but are not typically used in mass-start races due to safety concerns in close riding conditions.

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Originally conceived by bicycle messengers, alleycat races are unsanctioned, informal competitions that take place in urban environments. Participants race through checkpoints across the city, and the route between checkpoints is not predetermined, requiring riders to navigate and choose their paths quickly. These races test not only speed and endurance but also urban cycling skills and knowledge of the city layout.

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Alloys are mixtures of metals or metals combined with one or more other elements. In cycling, alloys, such as aluminum alloy, are commonly used for bike frames and components because they balance strength, weight, and cost. Alloy frames are known for their durability and relatively lightweight compared to steel, and they can be designed to offer a comfortable ride.

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Anodizing is an electrochemical process that increases the thickness of the natural oxide layer on the surface of metal parts. In cycling, anodized components, such as frames, rims, and small parts, are valued for their durable finish, vibrant colors, and corrosion resistance. Anodizing not only enhances the aesthetic appeal of bike parts but also extends their lifespan.

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The apex of a turn or curve is the point at which a cyclist makes the closest approach to the inside of the curve. Hitting the apex properly allows for the most efficient and fastest path through a turn. Mastering the technique of approaching, entering, and exiting turns by focusing on the apex is essential for competitive cycling, especially in road racing and crits, where positioning and cornering speed can make a significant difference.

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Arm Warmers

Arm warmers are stretchable sleeves worn on the arms to provide warmth in cool conditions. They are particularly useful for cycling in variable weather, as they can be easily put on or removed and stored in a jersey pocket as the temperature changes. Arm warmers are made from materials that offer insulation, moisture management, and sometimes wind proofing. Arm warmers are often worn in summer to protect the rider’s arms from sunburn.

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In competitive cycling, an attack is a strategic move where a rider accelerates quickly to break away from the pack or to gain a lead over competitors. Attacks can be used to test the strength of other riders, to escape the peloton, or to bridge up to a breakaway group. Successful attacks require both physical strength and tactical savvy.

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Audax is a form of long-distance cycling where participants aim to complete rides of predetermined distances within specified time limits. The focus is on endurance, self-sufficiency, and the challenge of completing the distance rather than racing against other participants. Audax events, also known as randonnées, have a strong community aspect, with riders often helping each other to finish.

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The axle is a central shaft for rotating a wheel or gear. In bicycles, axles are found in the center of the wheels, connecting them to the frame or fork. There are different types of axles, including quick-release and thru-axles, which vary in terms of installation method and the stiffness they provide to the bike structure.

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A balaclava is a versatile garment worn by cyclists to provide protection and insulation for the head, face, and neck in cold weather conditions. It is typically made of stretchy, moisture-wicking fabric such as fleece, merino wool, or synthetic materials, offering warmth, breathability, and moisture management. Balaclavas cover the entire head except for the eyes, nose, and mouth, with openings or cutouts for ventilation and visibility. They can be worn alone or under a helmet, providing an extra layer of warmth and comfort during winter rides. Balaclavas are popular among cyclists, commuters, and outdoor enthusiasts for their versatility, compactness, and effectiveness in combating cold temperatures, wind, and precipitation.

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Bar Ends

Bar ends are extensions attached to the ends of handlebars on a bicycle, typically perpendicular to the main grip area. They provide additional hand positions for the rider, which can help alleviate discomfort on long rides by allowing changes in grip and posture. Bar ends come in various shapes and sizes, including straight, curved, and ergonomic designs. They are commonly used on mountain bikes and hybrid bikes but are less common on road bikes due to the multiple hand positions available on drop handlebars.

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The bead of a tire refers to the edge or lip of the tire that interfaces with the rim of the wheel. It is the part of the tire that secures it firmly onto the rim, preventing it from slipping or coming off during riding. Tire beads are typically made of high-strength materials such as wire or Kevlar, with a looped or folded construction that provides structural integrity and resistance to deformation under pressure. There are two main types of tire beads: wire beads, which are made of steel wire and are more common on traditional clincher tires, and folding beads, which are made of flexible materials like Kevlar and are found on folding and tubeless-ready tires. Proper installation and seating of the tire beads onto the rim are essential for safe and reliable operation of the tire, ensuring a secure fit and preventing blowouts or tire failure while riding.

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Bib Shorts

Bib shorts are a type of cycling shorts that feature shoulder straps, similar to suspenders, instead of an elastic waistband. The shoulder straps help keep the shorts securely in place and prevent them from sliding down during vigorous pedaling. Bib shorts offer several advantages over traditional cycling shorts with waistbands, including better comfort, improved aerodynamics, and reduced pressure on the abdomen. Many cyclists, especially road cyclists and endurance riders, favor them for their superior fit and performance during long rides.

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Bikepacking is a form of adventure cycling that combines long-distance biking with camping and self-supported travel. Unlike traditional bike touring, which often involves racks, panniers, and fully loaded bikes, bikepacking emphasizes minimalism, versatility, and off-road exploration. Bikepackers carry lightweight and compact gear, typically strapped directly to their bikes using frame bags, seat packs, handlebar rolls, and other specialized bikepacking equipment. Bikepacking routes can vary from gravel roads and forest trails to rugged mountain paths and desert tracks, offering cyclists the opportunity to immerse themselves in nature, explore remote landscapes, and challenge their endurance and skills. Bikepacking has gained popularity in recent years as more cyclists seek adventure, solitude, and a deeper connection with the outdoors.

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Bottom Bracket

The bottom bracket is a crucial bicycle component that houses the bearings and spindle connecting the crankset to the bike frame. It allows the crankset to rotate smoothly and efficiently, transferring the rider’s pedaling power to the drivetrain and ultimately propelling the bike forward. Bottom brackets come in various types and designs, including threaded, press-fit, and cartridge bearing systems, each with its own installation method and compatibility with different frame and crankset configurations. Proper maintenance and periodic inspection of the bottom bracket are essential to ensure optimal performance and longevity of the bike.

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Brake Calipers

Brake calipers are the part of the bicycle’s braking system responsible for squeezing the brake pads against the wheel rim or rotor to generate friction and slow down or stop the bike. They consist of a pair of arms or arms and a bridge, with each arm equipped with a brake pad. When the rider squeezes the brake lever, the caliper arms close together, pressing the pads against the wheel rim or rotor, effectively creating friction and slowing down the bike. Brake calipers come in different designs, including side-pull, center-pull, dual-pivot, and disc brake calipers, each with its own characteristics in terms of braking power, modulation, and compatibility with specific types of brakes and bikes.

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Braze-ons are fixed mounting points or attachment points on a bicycle frame where accessories or components can be securely installed or attached. Common braze-ons include mounting points for water bottle cages, racks, fenders, cable guides, and frame pumps. Braze-ons are typically welded or brazed onto the frame during the manufacturing process, providing a durable and reliable mounting solution for accessories without the need for clamps or adapters. They enhance the versatility and functionality of the bike, allowing riders to customize and optimize their setups for specific riding styles, conditions, and preferences.

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A brevet is a long-distance endurance cycling event or ride, typically organized and sanctioned by cycling organizations such as Audax Club Parisien (ACP) or Randonneurs Mondiaux. Brevets follow predetermined routes of varying distances, ranging from 200 kilometers to over 1000 kilometers, and participants must complete the entire distance within specified time limits, often ranging from 13.5 hours for a 200-kilometer brevet to 75 hours for a 1200-kilometer brevet. Brevets are non-competitive and self-supported, with riders required to navigate the route, manage their food and water supplies, and adhere to time checkpoints along the way. Successfully completing brevets earns riders certification and recognition, with the pinnacle being the prestigious Paris-Brest-Paris (PBP) event held every four years.

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Bunny Hop

A bunny hop is a fundamental cycling technique that involves lifting both wheels of the bike off the ground simultaneously by using a combination of body movements and bike handling skills. Bunny hops are commonly used by cyclists to overcome obstacles such as curbs, rocks, roots, and logs, allowing them to maintain speed and momentum without getting caught or slowed down. To perform a bunny hop, the rider typically initiates the movement by compressing the suspension or bending their knees and elbows, then explosively extending their legs and arms while simultaneously pulling up on the handlebars, lifting the front wheel first followed by the rear wheel. Mastering the bunny hop requires practice, coordination, and timing, but it can greatly enhance a cyclist’s confidence and capability on varied terrain.

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Cadence refers to the rate at which a cyclist pedals, measured in revolutions per minute (RPM). It indicates how quickly the pedals are turned over and is influenced by factors such as terrain, gearing, fitness level, and riding style. Cadence is a critical aspect of cycling technique and performance, as it affects efficiency, power output, and muscle fatigue. Finding the optimal cadence for different riding conditions and goals is essential for maximizing endurance, speed, and comfort. Cyclists often use cadence sensors, bike computers, or perceived exertion to monitor and adjust their cadence during rides and training sessions.

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Carbon Fiber

Carbon fiber is a lightweight, high-strength material composed of thin strands of carbon atoms bonded together in a repeating crystalline pattern. It is widely used in the construction of high-end bicycles, frames, forks, wheels, components, and accessories due to its exceptional strength-to-weight ratio, stiffness, and vibration damping properties. Carbon fiber offers advantages over traditional materials such as aluminum, steel, and titanium, including greater design flexibility, reduced weight, improved aerodynamics, and enhanced ride quality. Carbon fiber components are produced using advanced manufacturing techniques such as layup, molding, and curing processes, resulting in precise, customizable, and performance-oriented products.

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The cassette refers to the cluster of gears that is mounted on the rear wheel hub of a bicycle. It consists of multiple sprockets or cogs of varying sizes, typically made of steel or aluminum, that are stacked together and secured with a lockring. The cassette works in conjunction with the chain and chainrings to provide a range of gear ratios, allowing cyclists to adjust their pedaling effort and speed according to terrain and conditions. Modern cassettes come in various configurations, including 7-speed, 8-speed, 9-speed, 10-speed, 11-speed, and 12-speed, with each speed referring to the number of sprockets on the cassette.

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A century, also known as a 100-mile bike ride or 100-miler, is a long-distance cycling event where participants aim to complete a route of 100 miles. Centuries are popular among endurance cyclists  and riders seeking to test their physical and mental limits, explore scenic routes, and achieve personal goals. Successfully completing a century requires careful planning, pacing, and preparation, as well as a combination of fitness, determination, and resilience. The Katy Flatland Century, held annually and sponsored by NWCC, is a highly organized event, offering participants a memorable and rewarding experience of pushing their boundaries and discovering the joys of long-distance cycling.

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The chainring is the toothed gear or gears that are attached to the crank arms of a bicycle’s drivetrain. They are located at the front of the bike, near the pedals, and are connected to the crank arms via bolted or riveted interfaces. Chainrings come in different sizes, typically expressed in terms of the number of teeth, and are responsible for transferring power from the rider’s legs to the chain, which then drives the rear wheel via the cassette. The size of the chainring(s) and the combination of chainrings with the cassette determine the gear ratios available on the bike, influencing the ease or difficulty of pedaling and the bike’s speed.

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Chain Whip

A chain whip is a specialized tool used for removing and installing the cassette on a bicycle’s rear wheel. It consists of a long handle with a chain attached at one end and a locking mechanism or vice at the other end. To use a chain whip, the chain is wrapped around one of the larger sprockets on the cassette, and the locking mechanism is engaged to prevent the cassette from turning. The handle provides leverage, allowing the user to loosen the lockring securing the cassette to the freehub body. Chain whips are essential for cassette removal and installation, as they prevent the cassette from spinning while the lockring is being loosened or tightened, ensuring a secure and reliable connection between the cassette and the rear wheel.

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The chamois, pronounced “shammy,” is a padded insert or liner found in cycling shorts, designed to provide comfort and cushioning to the rider’s buttocks and groin area during long rides. Traditionally made from natural chamois leather, modern chamois inserts are typically constructed from synthetic materials such as foam, gel, or multi-density padding, which offer better moisture management, breathability, and durability. The chamois helps reduce friction, pressure points, and chafing, absorbs shock and vibration from the road, and provides support and stability to the sit bones. Choosing the right chamois and properly fitting cycling shorts are essential for preventing saddle sores, discomfort, and fatigue, especially on extended rides.

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Cleats are small metal or plastic attachments that are affixed to the soles of cycling shoes and are designed to clip into compatible pedal systems. They allow cyclists to securely attach their feet to the pedals, providing a stable connection and allowing for efficient power transfer during pedaling. Cleats come in various designs and compatibility standards, depending on the type of pedal system being used, such as road bike pedals (e.g., Look, Shimano SPD-SL) or mountain bike pedals (e.g., Shimano SPD, Crankbrothers). Proper cleat adjustment is crucial for optimal performance and comfort, as it affects foot position, pedaling biomechanics, and overall riding efficiency.

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Clipless Pedals

Clipless pedals are a type of pedal system used in cycling that securely attaches the rider’s shoes to the pedals using a cleat-and-binding mechanism. Despite the name, clipless pedals require special cycling shoes equipped with compatible cleats that clip into the pedal mechanism, providing a secure and efficient connection between the rider and the bike. Clipless pedal systems offer several advantages over traditional toe clip and strap systems, including improved power transfer, better pedaling efficiency, enhanced control and stability, and reduced risk of foot slippage. They are widely used in road cycling, mountain biking, and other disciplines where efficient power transfer and bike control are paramount. Common clipless pedal brands include Shimano, Look, Speedplay, and Crankbrothers, each offering different designs, features, and compatibility options to suit various riding styles and preferences.

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A criterium, often abbreviated as crit, is a type of bicycle race characterized by its short distance, fast pace, and circuit-style course. Criteriums typically take place on closed-off city streets or circuits with multiple laps, allowing spectators to easily view the race from various vantage points. Criterium races are known for their intensity, aggressive tactics, and tactical positioning, as riders jockey for position and vie for intermediate sprints and the final sprint finish. Criteriums are popular in both amateur and professional cycling, with races held at the local, regional, national, and international levels.

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Cyclocross is a form of bicycle racing that takes place on a closed-loop course featuring a mix of terrain, including grass, mud, sand, gravel, pavement, and obstacles such as barriers, stairs, and steep hills. Cyclocross races typically last 30 minutes to an hour for amateurs and up to 60 to 90 minutes for elite riders, with competitors completing multiple laps of the course. Cyclocross bikes are specially designed for the demands of the sport, featuring wider tire clearance, knobby tires, disc brakes, and lightweight frames. Cyclocross racing is known for its festive atmosphere, technical challenges, and spectator-friendly format, with events held during the fall and winter months in Europe, North America, and other regions worldwide.

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Disc Brakes

Disc brakes are a type of bicycle braking system that uses a rotor attached to the wheel hub and calipers mounted on the frame or fork to squeeze brake pads against the rotor, generating friction and slowing down the bike. Disc brakes offer several advantages over traditional rim brakes, including improved braking performance, better modulation, increased stopping power, and consistent performance in wet and muddy conditions. They are commonly found on mountain bikes, cyclocross bikes, gravel bikes, and many modern road bikes, where their reliability and all-weather capability are highly valued. Disc brakes come in two main types: mechanical disc brakes, which use cables to actuate the calipers, and hydraulic disc brakes, which use hydraulic fluid to transmit force from the brake lever to the calipers. Both types offer reliable and effective braking performance, with hydraulic disc brakes generally providing smoother, more precise braking modulation and easier maintenance.

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A dérailleur is a key component of a bicycle’s drivetrain responsible for moving the chain between different gears. It consists of a movable cage or arm that guides the chain from one cog to another on the cassette or chainring. Derailleurs come in two main types: front derailleurs, which control the chain’s movement between the chainrings attached to the crankset, and rear derailleurs, which shift the chain across the sprockets on the cassette mounted on the rear wheel. The action of the derailleur is controlled by the rider through shift levers or shifters, which pull or release cables connected to the derailleur mechanism. Derailleurs play a crucial role in allowing cyclists to change gears smoothly and efficiently, enabling them to adapt to varying terrain, gradients, and riding conditions.

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Dérailleur Hanger

The Dérailleur Hanger, also known as a dropout or mech hanger, is a small metal component of a bicycle frame that serves as the mounting point for the rear derailleur. It is typically located at the rear of the frame near the rear wheel dropout, where it attaches to the frame via bolts, screws, or other fastening mechanisms. The derailleur hanger is designed to be replaceable or repairable, as it is a relatively fragile component that can bend or break in the event of a crash, impact, or mishandling. A bent or damaged derailleur hanger can affect shifting performance, cause misalignment of the rear derailleur, and lead to chain skipping or derailment. Most modern bicycles feature replaceable derailleur hangers, allowing cyclists to easily swap out damaged hangers and restore proper drivetrain function without needing to replace the entire frame. Dérailleur hangers come in various designs and styles to accommodate different frame materials, geometries, and derailleur mounting standards. Regular inspection and maintenance of the derailleur hanger are essential for ensuring smooth and reliable shifting performance and preventing damage to other drivetrain components.

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A domestique, derived from the French word for “servant,” is a team rider in cycling who works selflessly to support the leader or designated team captain in races and events. Domestiques play a crucial role in professional cycling teams, sacrificing their own chances of personal glory to ensure the success and well-being of their team leaders. Domestiques perform a wide range of tasks to assist their leaders, including setting the pace, sheltering them from wind, fetching water bottles and food from team cars, chasing down breakaways, controlling the peloton, and sacrificing themselves by launching attacks or sacrificing their bikes in case of mechanical issues. Domestiques are valued for their strength, versatility, loyalty, and tactical acumen, and they often play a decisive role in helping their teams achieve victory in races such as the Tour de France, where teamwork and strategy are paramount.

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Double Century

A double century, also known as a 200-mile bike ride or 200-miler, is a long-distance cycling event or challenge where participants aim to complete a route of 200 miles within a specified time limit, typically ranging from 12 to 24 hours. Double centuries are popular among endurance cyclists, randonneurs, and ultra-distance riders seeking to test their physical and mental limits, explore scenic routes, and achieve personal goals. Double centuries may be organized as supported or unsupported rides, with riders navigating the course, managing their nutrition and hydration, and dealing with fatigue and discomfort along the way. Successfully completing a double century requires careful planning, pacing, and preparation, as well as a combination of fitness, determination, and resilience. Double centuries are often held as organized events, offering participants a memorable and rewarding experience of pushing their boundaries and discovering the joys of long-distance cycling.

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Down Tube

The down tube is a main structural tube of a bicycle frame that runs from the head tube to the bottom bracket shell. It is one of the three primary tubes that make up the main triangle of the frame, along with the top tube and the seat tube. The down tube plays a crucial role in providing structural integrity, stiffness, and stability to the frame, as well as supporting the weight and forces exerted by the rider and the drivetrain components. On traditional diamond-frame bicycles, the down tube typically slopes downward from the head tube to the bottom bracket, forming an angle that contributes to the bike’s handling characteristics and overall geometry. The down tube may feature various shapes, profiles, and construction methods, including round, oval, hydroformed, and butted designs, depending on the bike’s intended use, material, and manufacturing techniques.

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Drafting, also known as slipstreaming, refers to the technique of riding closely behind another cyclist to reduce wind resistance and energy expenditure. When drafting, the following rider positions themselves directly behind the lead rider, taking advantage of the low-pressure zone created by the lead rider’s body moving through the air. This reduces the amount of work required to overcome air resistance, allowing the drafting rider to conserve energy and maintain higher speeds with less effort. Drafting is commonly used in group rides, pacelines, and competitive cycling events, where riders take turns leading and drafting to optimize speed and efficiency. Drafting requires skill, trust, and coordination among riders, as well as an understanding of aerodynamics and positioning to maximize the benefits of drafting while avoiding collisions and maintaining safety.

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The drops refer to the lower curved sections of a set of road bike handlebars, located below the flat or gently curved tops and the brake levers. The drops offer an additional hand position for the rider, characterized by a more aerodynamic and aggressive riding posture with the hands positioned lower and closer together. Riding in the drops allows cyclists to reduce wind resistance, improve bike control, and generate more power and leverage when sprinting or climbing out of the saddle. The drops are commonly used during fast descents, headwinds, and sprint finishes in road racing and group rides, where aerodynamics and efficiency are crucial. Modern road handlebars often feature ergonomic designs and variable drop shapes to accommodate different hand sizes, riding preferences, and comfort levels.

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The drivetrain is the system of components on a bicycle that transmits power from the rider’s legs to the rear wheel, enabling propulsion and forward motion. It typically consists of the chain, chainrings, cassette, derailleurs, shifters, and crankset, along with associated parts such as bottom brackets, cables, and pulleys. The drivetrain converts the rotational motion of the rider’s pedaling into linear motion of the bike, allowing the rider to accelerate, climb, cruise, and brake as needed. Different types of bikes may have different drivetrain configurations and gear ratios optimized for specific riding styles, terrain, and preferences. Maintaining and optimizing the drivetrain is essential for ensuring smooth, reliable, and efficient operation of the bike, as well as maximizing performance, longevity, and rider comfort.

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A dynamo, also known as a generator hub or dynamo hub, is a device used on bicycles to generate electricity for powering lights, electronics, and other accessories. Dynamo hubs contain a small electrical generator or alternator that is integrated into the front hub, allowing it to produce electrical current when the wheel is in motion. This current is typically generated through electromagnetic induction, where the rotating hub interacts with a stationary coil or magnets to produce an electrical charge. Dynamo hubs can generate electricity at low speeds, making them suitable for powering lights and devices even during slow or stationary riding. Dynamo lighting systems offer several advantages over battery-powered lights, including continuous and self-sustaining operation, no need for battery replacement or recharging, and increased reliability and visibility. Dynamo hubs are commonly used in commuting, touring, and bikepacking setups, providing dependable lighting and charging solutions for long-distance and all-weather riding.

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An echelon is a diagonal line of riders formed during windy conditions, such as crosswinds, where each rider positions themselves partially behind the one in front, creating a drafting effect and reducing wind resistance for the riders behind. Echelons are common in road racing and group riding, particularly on exposed sections of road, and they require riders to maintain precise positioning and coordination to stay sheltered from the wind.

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An elastomer is a type of polymer material with elastic properties that allow it to deform and recover shape under mechanical stress, making it ideal for use in shock-absorbing components on bicycles such as bike seats. Elastomers are commonly used in suspension systems, such as fork boots, rear shocks, and seat post inserts, where they provide cushioning, damping, and vibration isolation to improve rider comfort and control on rough terrain. Elastomers come in different durometers and densities to offer varying levels of compression and rebound characteristics, allowing cyclists to fine-tune their suspension setups for optimal performance and ride quality.

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Electronic Shifting

Electronic shifting refers to a gear-shifting system on a bicycle that uses electronic signals, rather than mechanical cables, to actuate the derailleurs and change gears. Electronic shifting systems offer precise, reliable, and effortless shifting performance, with features such as instant gear changes, automatic trim adjustment, and customizable shift patterns. They utilize battery-powered components, including shifters, derailleurs, and control units, which communicate wirelessly or via wired connections to execute shifts with minimal effort and maintenance. Electronic shifting systems are commonly found on high-end road bikes, time trial bikes, and triathlon bikes, where fast and precise gear changes are crucial for performance and efficiency.

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Elevation Gain

Elevation gain refers to the total vertical ascent accumulated over the course of a ride, measured in feet or meters. It represents the total amount of climbing done during the ride and is an important metric for assessing the difficulty and intensity of the route. Elevation gain takes into account both gradual climbs and steep ascents, and it can vary significantly depending on factors such as terrain, altitude, and route profile. Cyclists often track elevation gain using GPS devices, bike computers, or mapping software to gauge the challenge and prepare for rides with significant climbing.

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Short for “end over end,” an endo refers to a type of crash where the rider is thrown over the handlebars, often resulting in a forward somersault motion. Endos can occur due to sudden braking, hitting obstacles, or loss of control, and they can lead to injuries if not executed properly.

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Endurance Bike

An endurance bike is a type of bicycle designed for comfort and stability over long distances and extended periods of riding. Endurance bikes typically feature relaxed geometry, which provides a more upright riding position, and they prioritize comfort-enhancing features such as compliant frames, vibration-damping materials, and wider tires. Endurance bikes are popular among recreational cyclists, touring riders, and endurance athletes seeking a smooth and enjoyable ride experience without sacrificing performance or efficiency.

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Energy Gel

Energy gel is a type of sports nutrition product designed to provide a quick and convenient source of carbohydrates, electrolytes, and energy for endurance athletes during long rides or intense exercise sessions. Energy gels typically come in single-serving packets or sachets containing a concentrated gelatinous mixture of sugars, such as glucose, fructose, and maltodextrin, along with electrolytes like sodium and potassium. They are consumed by tearing open the packet and squeezing the gel directly into the mouth, where it can be rapidly absorbed into the bloodstream for near-instant energy replenishment. Energy gels are portable, easy to digest, and suitable for on-the-go consumption, making them popular among cyclists, runners, and other endurance athletes as a convenient fueling option during training and competition.

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In cycling parlance, “epic” refers to a particularly challenging, memorable, or noteworthy ride or route that offers a combination of difficulty, adventure, and scenic beauty. Epic rides often involve long distances, challenging terrain, remote locations, or adverse weather conditions, and they require riders to overcome physical and mental obstacles to complete them. Epic rides can be personal challenges, organized events, or legendary routes known for their historical significance or natural beauty, and they often leave a lasting impression on cyclists, inspiring stories, camaraderie, and a sense of achievement.

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Ergo Grips

Ergo grips are handlebar grips designed with ergonomic features to provide comfort and support for the rider’s hands and wrists. They often feature contoured shapes, textured surfaces, and cushioned materials to reduce pressure points, absorb vibrations, and improve grip. Ergo grips can help alleviate hand fatigue and numbness on long rides and rough terrain, enhancing overall comfort and control.

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Eyewear, also known as cycling glasses or sunglasses, refers to protective eyewear worn by cyclists to shield their eyes from wind, debris, insects, and harmful UV rays. Cycling eyewear typically features lightweight, impact-resistant lenses with wraparound designs and adjustable nose pads and temples for a secure and comfortable fit. They may also incorporate specialized lens tints, coatings, and venting systems to enhance visibility, reduce glare, and prevent fogging in various lighting and weather conditions. Cycling eyewear provides essential eye protection and can improve safety, comfort, and performance for cyclists by reducing eye strain, enhancing contrast, and minimizing distractions on the road or trail.

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Fat Bike

A fat bike is a type of bicycle designed for riding on soft, loose, or unstable surfaces such as sand, snow, mud, and gravel. Fat bikes are characterized by their oversized tires, typically ranging from 3.8 inches to 5 inches or more in width, mounted on wide rims and inflated to low pressures to provide maximum flotation and traction. The large volume and low-pressure tires allow fat bikes to roll over obstacles, absorb bumps, and maintain stability on challenging terrain, making them well-suited for off-road adventures, exploration, and all-season riding. Fat bikes feature wide frames and forks with ample tire clearance to accommodate the oversized tires, as well as compatibility with disc brakes and thru-axle hubs for enhanced control and durability. Fat bikes have gained popularity among cyclists seeking new and exciting riding experiences, as well as those looking for versatile, go-anywhere bikes capable of tackling diverse terrain and conditions.

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Fenders, also known as mudguards or splash guards, are protective guards or shields mounted over the wheels of a bicycle to block mud, water, debris, and other road grime from splashing onto the rider, bike components, and surrounding surfaces. Fenders typically consist of lightweight, durable materials such as plastic, aluminum, or composite materials and are attached to the frame, fork, or seat post using brackets, stays, or mounting hardware. They come in various shapes, sizes, and designs to accommodate different tire widths, frame geometries, and riding styles, with options for full coverage or partial coverage depending on the desired level of protection. Fenders are especially useful for commuting, touring, and riding in wet or muddy conditions, where they help keep the rider clean, dry, and comfortable, as well as preserving the integrity of the bike and its components.

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Fixed Gear

A fixed-gear bike, also known as a fixie, is a type of bicycle with a single gear and no freewheel mechanism, meaning the pedals are directly connected to the rear wheel. The rear cog is attached directly to the hub in a fixed-gear drivetrain, so the wheel and pedals always turn together. Fixed-gear bikes offer a direct and connected riding experience, requiring constant pedaling to move forward and allowing the rider to control speed and braking by resisting or reversing pedal motion. Fixed-gear bikes are favored by urban cyclists, track racers, and enthusiasts for their simplicity, responsiveness, and mechanical efficiency, as well as their aesthetic appeal and cultural significance within the cycling community.

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The flywheel is a weighted wheel component found in stationary bike trainers and exercise bikes that serves to regulate pedal resistance, simulate outdoor riding conditions, and provide a smooth and consistent pedaling experience. The flywheel is connected to the pedals or rear wheel via a drivetrain system and rotates with momentum generated by the rider’s pedaling effort. Its mass and rotational inertia help simulate the sensation of riding on the road, providing resistance and momentum to the pedals during each pedal stroke and smoothing out variations in cadence and effort. Flywheels come in various weights and materials, with heavier flywheels offering greater inertia and more realistic road feel, while lighter flywheels provide quicker response and easier acceleration. Adjustable resistance mechanisms, such as magnetic or fluid resistance units, may be incorporated into the flywheel assembly to allow for precise control of pedal resistance and intensity levels during indoor training sessions.

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Footbeds, also known as insoles or orthotics, are specialized inserts designed to provide support, stability, and comfort for the feet inside cycling shoes. Footbeds are used to address common foot issues such as arch collapse, overpronation, supination, and hot spots by providing additional cushioning, alignment, and pressure distribution. Cycling-specific footbeds are tailored to the unique biomechanics and demands of cycling, with features such as metatarsal pads, arch supports, and heel cups to improve foot alignment, reduce fatigue, and enhance pedaling efficiency. They come in various shapes, sizes, and materials to accommodate different foot shapes, shoe types, and riding styles, with options for customizable or heat-moldable designs for a personalized fit. Footbeds can help alleviate foot pain, numbness, and discomfort during long rides, as well as prevent injuries and improve overall foot health for cyclists of all levels and disciplines.

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The fork is a key component of a bicycle’s front end, consisting of two fork blades that extend downward from the steerer tube to hold the front wheel in place. The fork plays a crucial role in supporting the rider’s weight, steering the bike, and absorbing impacts from the road or trail. Forks come in various designs and materials, including rigid forks made of steel, aluminum, carbon fiber, or titanium, as well as suspension forks equipped with shock-absorbing mechanisms such as coil springs, air springs, or elastomers. Suspension forks are commonly found on mountain bikes, gravel bikes, and hybrid bikes, where they provide improved comfort, traction, and control on rough terrain. Forks may also feature additional components such as steerer tube spacers, crown races, and dropouts for attachment of accessories and wheel retention.

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The frame is the main structural component of a bicycle, consisting of interconnected tubes and parts that provide support, rigidity, and mounting points for other components. The frame serves as the backbone of the bike, supporting the rider’s weight, transmitting pedaling forces, and defining the bike’s geometry and handling characteristics. Frames come in various materials, including steel, aluminum, carbon fiber, titanium, and alloys, each offering different properties such as strength, weight, stiffness, and compliance. Frame designs vary depending on the type of bike and intended use, with options ranging from traditional diamond frames to step-through frames, full-suspension frames, and folding frames. Choosing the right frame size, geometry, and material is crucial for ensuring a comfortable, efficient, and enjoyable riding experience, as well as maximizing performance and longevity.

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The freehub is a component of the rear hub on a bicycle wheel that allows the bike to coast or freewheel without pedaling. It consists of a splined or toothed mechanism inside the hub body that engages with the cassette or freewheel, allowing the rear wheel to rotate independently of the drivetrain when coasting or descending. Freehubs are commonly found on modern bikes equipped with cassette-based drivetrains, where they provide quick engagement, minimal drag, and efficient power transfer. Freehub bodies come in various designs and compatibility standards, including Shimano, SRAM, and Campagnolo, with options for different numbers of speeds, axle types, and attachment methods. Maintaining the freehub and regularly lubricating its internals are essential for ensuring smooth and reliable performance, as well as extending the lifespan of the drivetrain components.

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Front Dérailleur

The front dérailleur is a key component of a bicycle’s drivetrain responsible for shifting the chain between the front chainrings attached to the crankset. Front dérailleurs guide the chain from one chainring to another, allowing riders to change gears and adjust pedaling resistance to match the terrain and riding conditions. Front dérailleurs come in various designs and mounting options, including braze-on, clamp-on, and direct-mount configurations, and they are actuated by shifters or levers located on the handlebars. Modern front dérailleurs feature optimized designs, materials, and mechanisms to ensure smooth, precise, and reliable shifting performance across a wide range of gear combinations. Proper adjustment, alignment, and maintenance of the front dérailleur are essential for achieving crisp and efficient gear changes, as well as preventing chain rub, dropped chains, and other shifting issues.

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Full Suspension

Full suspension, also known as dual suspension, refers to bicycles equipped with both front and rear suspension systems designed to absorb impacts, improve traction, and enhance rider comfort and control on rough terrain. Full suspension bikes feature a front suspension fork with shock absorption for the front wheel and a rear suspension system, typically consisting of a rear shock absorber or linkage mechanism, that allows the rear wheel to move independently of the frame. Full suspension bikes are commonly used in mountain biking, where they excel in technical descents, rocky trails, and challenging terrain by providing better traction, stability, and control over obstacles. Full suspension designs vary in complexity, including single-pivot, linkage-driven, and multi-link configurations, each offering different suspension characteristics such as travel, leverage ratios, and damping properties. Choosing the right full-suspension bike involves considerations of intended use, terrain, rider preferences, and budget, as well as factors such as suspension design, frame material, and component specifications.

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Gear Inches

Gear inches is a measurement used to express the gear ratio of a bicycle drivetrain relative to the size of the wheel, providing a standardized way to compare gearing between bikes with different wheel sizes. Gear inches represent the distance traveled by the bicycle with one full rotation of the pedals, assuming the rider is pedaling at a constant cadence. It takes into account both the gear ratio (number of teeth on the front chainring divided by the number of teeth on the rear cog) and the wheel diameter (diameter of the wheel in inches or millimeters). Higher gear inches indicate harder or higher gears, suitable for faster speeds and flat terrain, while lower gear inches indicate easier or lower gears, better suited for climbing and steep gradients. Gear inches are commonly used by cyclists to evaluate gear options, select appropriate gearing for specific riding conditions, and compare the pedaling effort required across different bikes and setups.

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Gearing refers to the ratio of pedal strokes to wheel revolutions, which determines how much distance a bicycle travels with each rotation of the pedals. Gearing is expressed as a numerical ratio or as gear inches, indicating the relative sizes of the front chainring(s) and rear cassette cogs. Higher gears, or “harder” gears, provide more distance per pedal stroke and are used for higher speeds and downhill riding, while lower gears, or “easier” gears, offer less distance per pedal stroke and are used for climbing and maintaining cadence on steep ascents. Gearing can be adjusted by changing the size of the chainrings or cassette cogs to suit different riding conditions, terrain, and preferences.

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Gel Inserts

Gel inserts are cushioning materials commonly used in cycling gloves and saddle pads to provide additional comfort, support, and shock absorption for riders. Gel inserts are typically made of silicone-based compounds or viscoelastic gels that conform to the shape of the hand or sit bones, distributing pressure more evenly and reducing discomfort during long rides. In cycling gloves, gel inserts are incorporated into the palm area to protect against numbness, tingling, and hand fatigue caused by road vibrations and pressure points. They help dampen impacts and vibrations from the handlebars, absorb shock during rough descents, and alleviate hand strain and fatigue on rough terrain. Gel inserts may also be used in saddle pads or seat covers to enhance comfort and reduce saddle soreness by providing a soft and supportive cushioning layer between the rider and the saddle. Gel inserts come in various thicknesses and

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Cycling gloves are specialized handwear designed to improve grip, protect the hands, and enhance comfort while riding. Cycling gloves typically feature padded palms, which help absorb shock and vibration from the road, as well as provide cushioning and protection during long rides. They often incorporate grippy materials or silicone prints on the palms and fingers to improve grip on handlebars and controls, especially in wet or sweaty conditions. Cycling gloves may also feature breathable and moisture-wicking fabrics on the back of the hand to promote airflow and prevent overheating, as well as touchscreen-compatible fingertips for easy use of smartphones or GPS devices while riding. Gloves come in various styles, including full-fingered, fingerless, and mitts, to suit different preferences, seasons, and riding disciplines.

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GPS, or Global Positioning System, refers to satellite-based navigation devices and technology used by cyclists to track their position, plan routes, and navigate during rides. GPS devices for cycling, such as bike computers and GPS-enabled smartphones, utilize signals from a network of satellites orbiting the Earth to determine the user’s precise location and calculate speed, distance, elevation, and other relevant data. GPS devices provide cyclists with real-time mapping, turn-by-turn directions, and route guidance, as well as features such as route recording, segment tracking, and performance metrics analysis. They may also offer connectivity options, such as Bluetooth and ANT+, for pairing with sensors, heart rate monitors, power meters, and other accessories to enhance training and data collection capabilities. GPS devices are widely used by cyclists for navigation, training, and exploration, offering convenience, accuracy, and versatility for riders of all levels and disciplines.

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Gran Fondo

Gran Fondo, Italian for “big ride” or “great endurance,” refers to a long-distance, timed cycling event or mass participation ride that typically covers distances of 100 kilometers (62 miles) or more. Gran Fondos are non-competitive or semi-competitive events open to cyclists of all abilities, where participants can challenge themselves, enjoy scenic routes, and experience the camaraderie of riding with a large group of fellow cyclists. Gran Fondos often feature well-marked courses, support stations with food and hydration, mechanical support, and post-ride festivities such as food, music, and awards. While not races in the traditional sense, Gran Fondos may include timed sections or competitive segments where participants can test their speed and climbing ability against others. Gran Fondos are popular worldwide, attracting riders of all ages and backgrounds seeking a challenging and rewarding cycling experience.

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Gravel Bike

A gravel bike is a versatile bicycle designed for riding on a variety of surfaces, including pavement, gravel roads, dirt trails, and rough terrain. Gravel bikes typically feature a rugged frame geometry with clearance for wide tires, disc brakes for reliable stopping power, and mounting points for accessories such as racks, fenders, and bottle cages. They often incorporate features borrowed from road bikes, such as drop handlebars and efficient drivetrains, as well as mountain bikes, including wider tire clearance and stable handling characteristics. Gravel bikes are popular among cyclists seeking adventure, exploration, and versatility in their riding experiences, as they allow riders to tackle mixed terrain and explore remote locations with confidence and comfort.

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Gruppo / Groupsets

Gruppo is an Italian term meaning “group,” commonly used in the cycling world to refer to a complete set of matched components comprising the drivetrain and other key parts of a bicycle. A gruppo or groupset typically includes components such as shifters, derailleurs, brakes, crankset, bottom bracket, cassette, chain, and sometimes hubs and headset. Gruppos are often manufactured by major component brands such as Shimano, SRAM, and Campagnolo, which offer complete sets of compatible components designed to work seamlessly together for optimal performance, reliability, and compatibility. Gruppos or groupsets are available in various levels or tiers, ranging from entry-level to professional-grade, with differences in materials, construction, weight, and features to suit different budgets and riding needs.

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A gusset is a reinforcement added to frame joints on bicycles to increase strength, stiffness, and durability, particularly in areas prone to stress, fatigue, or impact. Gussets are commonly found at junctions such as the head tube, top tube, down tube, seat tube, and bottom bracket, where additional material is welded, brazed, or bonded to reinforce the connection and distribute forces more evenly. Gussets can take various forms, including triangular plates, curved tubes, or welded beads, depending on the frame material, design, and manufacturing techniques. They are often used in mountain bike frames, BMX frames, and other high-stress applications where riders may encounter rough terrain, jumps, drops, or crashes that can place excessive loads on the frame joints. Gussets help improve the structural integrity and longevity of the frame, reducing the risk of cracks, fractures, and frame failure under demanding riding conditions.

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Handlebars are the steering control of a bicycle, providing the rider with a grip to steer the bike. Handlebars come in various shapes and styles, including drop bars commonly found on road bikes for multiple hand positions, flat bars often seen on mountain bikes for stability and control, and riser bars used on hybrid and commuter bikes for a more upright riding position.

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The hanger, also known as the derailleur hanger or mech hanger, is a small metal component of a bicycle frame where the rear derailleur is mounted. The hanger is designed to be replaceable or repairable, as it can bend or break in the event of a crash or impact. Proper alignment and adjustment of the hanger are essential for precise and reliable shifting performance.

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A hardtail bike refers to a bicycle equipped with front suspension but lacking rear suspension. Hardtail mountain bikes are popular for their simplicity, efficiency, and lower maintenance compared to full suspension bikes. They excel in cross-country riding, climbing, and smooth trails where rear suspension is less necessary.

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Head Tube

The head tube is the tubular section of a bicycle frame that contains the headset bearings and connects the front fork to the rest of the frame. The head tube angle, length, and diameter play crucial roles in determining the bike’s handling characteristics, stability, and responsiveness.

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The headset is the bearing assembly that allows the fork to rotate smoothly within the frame’s head tube, enabling steering. It consists of bearings, races, and spacers, and it comes in various types such as threaded, threadless, integrated, and internal.

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A helmet is protective headgear worn by cyclists to reduce the risk of head injuries in the event of a crash or fall. Helmets are designed to absorb impact energy and distribute it across the helmet’s shell and inner liner, providing cushioning and protection for the rider’s head. They typically feature a hard outer shell, an inner foam liner, and adjustable straps to secure the helmet in place. Helmets come in various styles, including road helmets with aerodynamic designs, mountain bike helmets with extended coverage and visors, and urban helmets with casual styling and integrated features such as lights and visors.

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Hookless Rim

A hookless rim is a type of bicycle rim design that lacks the traditional bead hook found on conventional rims. Hookless rims feature a straight sidewall profile that eliminates the bead hook, allowing for a smoother and more consistent tire fit and reducing the risk of pinch flats and burping during low-pressure or tubeless tire setups. Hookless rims are commonly used in mountain biking, gravel riding, and fat biking, where tubeless tire compatibility, impact resistance, and reliability are important considerations. They are typically made of lightweight and durable materials such as aluminum or carbon fiber and are designed to withstand the rigors of off-road riding while providing optimal tire performance and reliability. Briefly: hookless rims make sense for wide tubeless tires.
Tires that aren’t tubeless will not work well with modern hookless rims.

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The hub is the central part of a bicycle wheel, containing the axle and bearings that allow the wheel to rotate freely. Hubs can be found on both the front and rear wheels, and they vary in design depending on the type of bike and riding style, with options for different axle types, engagement mechanisms, and compatibility standards.

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Hydration Pack

A hydration pack is a backpack-style bag worn by cyclists that contains a built-in water bladder or reservoir for convenient hydration on the go. Hydration packs typically feature adjustable shoulder straps, a chest strap, and a waist belt to secure the pack while riding, as well as pockets for storing essentials such as snacks, tools, and personal items.

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Hyperglide is a proprietary technology developed by Shimano for smoother and more efficient gear shifting in their drivetrain systems. Hyperglide refers to the design of the cassette sprockets and chainrings, which feature specially shaped teeth and ramps that facilitate quick and precise shifting, even under load. Hyperglide technology is used in Shimano’s cassette, chain, and crankset components, contributing to improved performance, durability, and overall riding experience for cyclists.

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ID, short for inner diameter, is a measurement commonly used in cycling to refer to the internal diameter of components such as bearings, seat posts, handlebars, and tubes. Inner diameter measurements are critical for ensuring compatibility, proper fit, and functionality between different parts of a bicycle. For example, bearings must have the correct ID to fit onto the corresponding shaft or axle, seat posts must match the ID of the seat tube for secure insertion and adjustment, and handlebars must have the appropriate ID to fit securely into the stem clamp. Inner diameter measurements are typically specified in metric units such as millimeters (mm) or inches (in) and are crucial considerations when selecting, installing, or replacing bike components to ensure optimal performance, safety, and reliability.

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Index Shifting

Index shifting is a gear-shifting mechanism commonly used in modern bicycle drivetrains, where each click or movement of the shifter corresponds to a specific gear position or index on the cassette or chainrings. Index shifting systems utilize precise indexing mechanisms, such as ratchets, detents, or pawls, inside the shifters and derailleurs to ensure accurate and consistent gear changes with minimal effort from the rider. When the shifter is actuated, the indexing mechanism moves the derailleur to the predetermined position corresponding to the desired gear ratio, providing instant and reliable shifting performance across the entire gear range. Index shifting simplifies gear selection and eliminates the need for manual fine-tuning or trimming of the derailleur, making it easier and more intuitive for cyclists to shift gears while riding. It’s the technology behind that “click” you hear and feel every time you shift through your gears.

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Inflation Pressure

Inflation pressure refers to the amount of air pressure contained within a bicycle tire, measured in pounds per square inch (psi) or bar units. Inflation pressure plays a critical role in determining the performance, comfort, and safety of a bike ride, as it affects factors such as tire grip, rolling resistance, puncture resistance, and ride quality. Proper tire inflation pressure depends on various factors, including tire size, tire type, rider weight, riding conditions, and personal preferences. Underinflated tires may feel sluggish, prone to pinch flats, and lack responsiveness, while overinflated tires can feel harsh, reduce traction, and increase the risk of blowouts. It’s essential for cyclists to regularly check and adjust tire pressure using a reliable pressure gauge or pump to ensure optimal performance, comfort, and safety on every ride.

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Inner Tube

An inner tube is a rubber inflatable tube that sits inside a bicycle tire, providing air pressure to support the tire’s shape and cushion the ride. Inner tubes come in various sizes and valve types to fit different tire sizes and rim designs, with options for Presta valves, Schrader valves, and other valve types. Inner tubes are essential components of pneumatic bicycle tires, and they can be replaced or patched if punctured or damaged to restore tire pressure and functionality. Inner tubes are typically made of butyl rubber or latex and are designed to withstand the rigors of cycling, including impacts, abrasions, and fluctuations in temperature and pressure.

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Integrated Braking

Integrated braking refers to brake systems designed to work seamlessly with specific handlebars or frames, providing improved aerodynamics, integration, and performance. Integrated braking systems often feature hidden or internally routed cables and hoses, aerodynamically shaped brake levers or shift/brake levers, and proprietary mounting interfaces for attaching brake calipers or hydraulic brake assemblies directly to the frame or fork. Integrated braking systems are commonly found on high-performance road bikes, triathlon bikes, and time trial bikes, where aerodynamic efficiency and clean aesthetics are prioritized. By integrating the brakes into the bike’s frame and cockpit, manufacturers can reduce drag, improve handling, and enhance the overall appearance of the bike while maintaining or enhancing braking power, modulation, and feel.

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Integrated Headset

An integrated headset is a type of headset design where the bearings are built directly into the frame’s head tube, eliminating the need for separate cups or races. Integrated headsets provide a sleek and minimalist appearance, as well as improved stiffness, durability, and bearing alignment compared to traditional threaded or press-fit headset designs. Integrated headsets are commonly used in modern bicycle frames, particularly those made of carbon fiber or aluminum, where weight savings, aerodynamics, and performance are prioritized. Integrated headsets come in various configurations and standards, including zero-stack, semi-integrated, and full-integrated designs, each offering different degrees of integration and compatibility with specific frame geometries and fork steerer tubes.

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Interval Training

Interval training is a structured workout method that alternates between periods of high-intensity exercise and low-intensity recovery or rest. In cycling, interval training is commonly used to improve cardiovascular fitness, strength, speed, and endurance by pushing the body to perform near-maximal efforts followed by periods of active recovery or rest. Interval workouts can be tailored to target specific energy systems and physiological adaptations, such as aerobic endurance, anaerobic threshold, sprint power, and muscular endurance, depending on the rider’s goals and fitness level. Interval training can be performed on the road, trails, or stationary trainer, and it typically involves varying the duration, intensity, and recovery intervals to create specific training stimuli and adaptations.

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IsoSpeed is a proprietary bicycle technology developed by Trek Bicycles that is designed to enhance comfort and smoothness by isolating the rider from road vibrations and impacts. IsoSpeed technology is incorporated into the frame design of select Trek road and gravel bikes, including the Domane and Checkpoint models, where it allows the seat tube or seat post to flex independently of the rest of the frame. This decoupling of the seat tube or seat post from the frame provides vertical compliance and damping, allowing the bike to absorb bumps and vibrations from the road while maintaining pedaling efficiency and control. IsoSpeed is achieved through various design elements such as adjustable compliance levels, pivot mechanisms, and engineered carbon layups, resulting in a smoother, more comfortable ride experience for cyclists tackling rough roads, long distances, and challenging terrain.

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Ironman is a long-distance triathlon race series organized by the World Triathlon Corporation (WTC) that consists of a 2.4-mile (3.86 km) swim, a 112-mile (180.25 km) bike ride, and a full marathon-distance 26.2-mile (42.20 km) run, raced in that order and without a break. Ironman races are among the most prestigious and challenging endurance events in the world, attracting elite athletes, age-group competitors, and enthusiasts from around the globe. The Ironman brand encompasses a series of races held in locations worldwide, including iconic events such as the Ironman World Championship in Kailua-Kona, Hawaii, the Ironman European Championship in Frankfurt, Germany, and the Ironman Asia-Pacific Championship in Cairns, Australia. Ironman races are known for their grueling course layouts, extreme distances, and demanding conditions, requiring participants to demonstrate exceptional physical fitness, mental toughness, and strategic race planning to complete the event within the specified time limit and achieve their personal goals.

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Isothermal clothing refers to garments designed to maintain a stable body temperature by regulating heat and moisture during physical activity, such as cycling. Isothermal fabrics are engineered to provide thermal insulation, moisture management, and breathability, allowing the body to maintain a comfortable and consistent temperature in a wide range of environmental conditions. Isothermal clothing typically features moisture-wicking properties that draw sweat away from the skin and promote evaporation to prevent overheating and moisture buildup. It also provides thermal regulation by trapping body heat close to the skin in cold conditions and releasing excess heat and moisture to keep the body cool and dry in warm conditions. Isothermal clothing is commonly used in cycling jerseys, base layers, jackets, and accessories to enhance comfort, performance, and enjoyment on the bike, especially during long rides, variable weather, and intense workouts.

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A J-bend is a type of spoke commonly used in bicycle wheels. J-bend spokes have a bend at one end that hooks into the hub, while the other end threads into the rim. This design allows for easier wheel building and maintenance compared to straight-pull spokes.

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A cycling jersey is a close-fitting, lightweight top worn by cyclists. Jerseys are designed to wick moisture away from the body, keeping riders cool and dry during physical exertion. They often feature rear pockets for storing essentials such as energy gels, keys, and mobile phones.

NWCC Members can purchase NWCC cycling clothing at the Team Store. Members that volunteer to serve during the BlueBonnet Express and Katy Flatland Century rides earn rewards that can be used for reduced price clothing.

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Jersey Pocket

Jersey pockets are the rear pockets found on a cycling jersey. Cyclists use these pockets to store essentials such as energy bars, gels, spare tubes, tools, and mobile phones during rides.

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Jet Wash

Jet wash refers to the use of a high-pressure hose or power washer to clean a bike. While jet washing can be effective for removing dirt and grime, it’s often advised against as it can force water into sensitive components such as bearings, potentially causing damage. The pressure washers found at coin-operated car washes are an example of those with too much pressure. There are reduced pressure jet washers on the market made specifically to wash bikes.

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A jig is a tool used in frame building to ensure that bike frame parts are aligned correctly during assembly. Jigs hold frame tubes in precise positions and angles, allowing builders to weld or braze them together accurately.

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Jockey Wheels

Jockey wheels are the small wheels found in a rear derailleur that guide the chain from one sprocket to another. They play a crucial role in the smooth operation of the drivetrain by ensuring proper chain alignment and tension.

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In cycling, a jump refers to a sudden acceleration, either to break away from competitors or to tackle a short ramp or obstacle. Riders can perform tricks, such as bunny hops or wheelies, off jumps to showcase their skills and agility.

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A joule is a unit of energy commonly used in the context of measuring power output in cycling. Power meters measure the amount of work a cyclist generates in watts, and joules are used to quantify the total energy expended during a ride or training session.

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In electronic shifting systems, a junction is a connection point where wires or cables from various components come together. Junctions may be located near the handlebars, frame, or drivetrain, depending on the specific system. (Shimano EW-RS910 Junction Box shown)

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Junior Gears

Junior gears refer to restrictions placed on gear sizes for young competitive cyclists to prevent overexertion and injury. These limitations ensure that young riders can safely participate in races and training rides without putting excessive strain on their developing bodies.

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K-edge is a brand known for manufacturing high-quality cycling computer and camera mounts. K-edge mounts are designed to securely attach devices such as GPS units, cycling computers, action cameras, and lights to various parts of the bike, providing stability, durability, and easy access for riders.

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Keirin is a track cycling race that originated in Japan and is now popular worldwide. In keirin races, riders follow a pacing motorbike, gradually increasing speed before sprinting for the finish line in the final laps. Keirin races are known for their fast-paced, tactical competition and are often featured in track cycling events.

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A kickstand is a device attached to a bicycle frame that allows the bike to stand upright when parked. Kickstands come in various designs, including center stands, rear stands, and double-legged stands, and they provide convenience for cyclists when stopping for breaks or parking.

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Kilocalorie (kcal)

A kilocalorie, often abbreviated as kcal, is a unit of energy expenditure commonly used in nutrition and fitness to quantify the amount of energy provided by food or expended during physical activity. In cycling, kilocalories are used to estimate energy consumption and calorie burn during rides, training sessions, and races, providing valuable information for fueling, hydration, and performance optimization.

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Kilometer Zero

Kilometer zero refers to the starting point of a race or route, typically marked by a specific location, landmark, or sign. It’s the designated point from which distances are measured, and it often holds symbolic significance for cyclists and spectators.

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In cycling slang, “kit” refers to a cyclist’s outfit or gear collection, including clothing, accessories, and equipment. A cyclist’s kit may include items such as jerseys, shorts, socks, gloves, helmets, sunglasses, shoes, water bottles, tools, and spare parts.

When the club is going to be taking pictures, it is best if everyone can show up wearing their NWCC kit.

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Knee Warmers

Knee warmers are cycling apparel designed to provide warmth and protection for the knees during cooler weather conditions. They are typically made of thermal fabric and worn over cycling shorts, providing insulation while allowing for freedom of movement.

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Knobby Tires

Knobby tires are bicycle tires with large, spaced-out tread patterns designed for off-road riding and traction on loose or uneven surfaces such as dirt trails, gravel roads, and rocky terrain. Knobby tires offer increased grip and stability in challenging conditions, making them ideal for mountain biking, cyclocross, and other off-road disciplines.

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In cycling, a knock refers to a noise or sound indicating a mechanical problem or issue with the bike. Knocking sounds may occur due to loose components, worn bearings, misaligned parts, or other mechanical issues, requiring inspection and maintenance to resolve and prevent further damage or safety hazards.

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KOM/QOM (King/Queen of the Mountain)

KOM/QOM is an acronym for King of the Mountain or Queen of the Mountain, which refers to the fastest recorded time on a designated uphill segment or climb. These segments are often found on popular cycling routes or climbs, and riders compete to achieve the fastest time and earn the KOM/QOM title on platforms such as Strava.

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Lateral Stiffness

Lateral stiffness refers to the resistance of a bicycle frame or wheel to sideways flexing or deflection under load. Lateral stiffness is a key performance characteristic that affects handling, responsiveness, and power transfer efficiency in cycling. Stiffer frames and wheels typically provide better control, stability, and acceleration, especially during sprinting, climbing, and cornering maneuvers.

Northwest Cyclery

LBS (Local Bike Shop)

LBS is an abbreviation for Local Bike Shop, referring to a retail store or service center that specializes in selling bicycles, parts, accessories, and gear, as well as providing maintenance, repairs, and professional advice to cyclists. Local bike shops play a vital role in the cycling community by supporting riders of all levels and disciplines, fostering community engagement, and promoting cycling culture and advocacy initiatives.

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A leadout is a tactical maneuver in cycling where one rider accelerates to create a draft or slipstream for a teammate, setting them up for a sprint finish or strategic attack. Leadouts are commonly used in road racing, criteriums, and track cycling events to maximize team performance and chances of victory.

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Leverage Ratio

In suspension terms, leverage ratio refers to the relationship between shock movement and wheel movement in a full-suspension bike. Leverage ratio influences suspension performance characteristics such as spring rate, travel, compression, and rebound damping, affecting how the bike responds to impacts, terrain variations, and rider inputs. Understanding leverage ratio helps cyclists and suspension designers optimize suspension setups for specific riding conditions, preferences, and terrain types.

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In cycling, line refers to the chosen path or trajectory through a turn, corner, or technical section of a trail or racecourse. The ideal line maximizes speed, minimizes distance traveled, and optimizes traction by taking advantage of the terrain, camber, and surface conditions. Riders must anticipate and adjust their lines dynamically to maintain control, conserve momentum, and navigate obstacles effectively while riding.

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A lockring is a threaded ring or collar used to secure a component or assembly in place on a bicycle. Lockrings are commonly used in various applications such as securing cassettes to freehub bodies, fixing bottom brackets into frames, and fastening headset components together. They provide additional security and prevent loosening or movement of critical parts during riding.

Northwest Cyclery

Loose Ball Bearings

Loose ball bearings are individual spherical or cylindrical bearings used in some bicycle components such as hubs, headsets, and bottom brackets to reduce friction and support rotating parts. Loose ball bearings are typically made of hardened steel, ceramic, or other durable materials and are housed in bearing races or cups to distribute loads evenly and facilitate smooth movement. Loose ball bearing systems require regular maintenance, cleaning, and lubrication to ensure optimal performance, longevity, and reliability. Sealed bearings are more prevalent these days.

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A lug is a metal sleeve or fitting used in frame construction to join bicycle frame tubes together. Lugs are commonly made of steel or aluminum and are brazed or welded onto frame tubes to create strong and durable connections. Lug construction allows for customization and aesthetic detailing in handmade and custom-built bike frames.

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A lumen is a unit of measurement used to quantify the brightness or intensity of light emitted by a bike light or illumination source. Lumen values indicate the total amount of visible light output, with higher lumen ratings corresponding to brighter lights capable of illuminating a larger area and providing better visibility for cyclists during low-light conditions or nighttime riding.

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Lycra is a brand name for spandex, a stretchy synthetic fiber commonly used in tight-fitting cycling clothing such as jerseys, shorts, and bibs. Lycra fabric provides elasticity, moisture-wicking properties, and compression, enhancing comfort, aerodynamics, and performance for cyclists.

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Mechanical Advantage

Mechanical advantage refers to the leverage or amplification of force provided by a tool, mechanism, or component, enabling users to exert greater force or control over a system or object. In cycling, mechanical advantage is applied in various contexts such as gear ratios, lever systems, and tool design to enhance efficiency, power transmission, and mechanical advantage for riders.

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Metric Century

A metric century is a cycling ride or event covering a distance of 100 kilometers, equivalent to approximately 62.1 miles. Metric centuries are popular milestones and challenges for cyclists seeking to improve their endurance, fitness, and distance capabilities without committing to the longer distances of a full century ride.

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A mudguard, also known as a fender, is a device attached to a bicycle to block mud, water, and debris spray from the wheels, frame, and rider. Mudguards help keep cyclists clean, dry, and comfortable during wet or muddy riding conditions, as well as protect the bike’s components from corrosion, abrasion, and damage. Mudguards come in various designs, including full-length, clip-on, and minimalist styles, and they are commonly used on commuter bikes, touring bikes, and urban bicycles for practicality and convenience.

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Micro-Adjust Seatpost

A micro-adjust seatpost is a type of seatpost design that allows for small incremental adjustments to the saddle position, angle, and height for fine-tuning rider fit and comfort. Micro-adjust seatposts typically feature a two-bolt or single-bolt clamp mechanism, along with markings or indicators for precise saddle positioning and alignment. They provide riders with the flexibility to make subtle changes to their riding position to optimize comfort, efficiency, and performance on the bike.

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Monocoque is a frame construction technique used in bicycle manufacturing, where the frame is fabricated as a single piece or shell rather than being assembled from individual tubes and joints. Monocoque frames are typically made of carbon fiber composite materials, molded using advanced techniques such as bladder molding or resin infusion, and optimized for strength, stiffness, and weight savings. Monocoque construction offers advantages such as enhanced aerodynamics, improved vibration damping, and increased structural integrity compared to traditional frame-building methods, making it popular in high-performance road, triathlon, and time trial bikes.

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In cycling, a masher is a rider who pedals in a high gear at a slow cadence, applying maximum force to the pedals to generate power and propulsion. Mashers typically prefer using high gear ratios and pushing harder on the pedals, relying on muscular strength and anaerobic energy systems to maintain speed and momentum. While mashing can be effective for short bursts of power or climbing steep gradients, it may lead to increased fatigue, muscle fatigue, and inefficient pedaling technique over longer distances or at higher speeds.

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Master Link

A master link, also known as a quick link or connector link, is a removable link in a bicycle chain that allows for easy installation, removal, and cleaning without the need for specialized tools or chain-breaking devices. Master links consist of two interlocking halves with pins or retaining clips that secure the chain ends together, providing a reliable and reusable connection. Master links are commonly found in modern bicycle chains, allowing cyclists to perform chain maintenance, repair, or replacement quickly and conveniently on the road or trail.

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In time trial cycling events, a minuteman refers to the rider who starts one minute ahead of another competitor, typically in a staggered start format. Minutemen serve as reference points or pacing targets for riders starting behind them, motivating competitors to chase and overtake them within the allotted time or distance. Minutemen play a strategic role in time trial tactics, influencing pacing strategies, effort distribution, and overall race performance for riders aiming to achieve their fastest times and positions in the standings.

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Mixed Terrain

Mixed terrain refers to cycling routes or trails that incorporate a variety of surfaces and environmental conditions, including pavement, gravel, dirt, sand, rocks, mud, and obstacles. Mixed terrain rides offer diverse challenges and experiences for cyclists, combining elements of road cycling, gravel riding, mountain biking, and adventure cycling into a single journey. Mixed terrain routes may follow unpaved roads, fire trails, singletrack paths, or multi-use trails, providing opportunities for exploration, adventure, and scenic exploration in natural and urban landscapes.

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Mountain Bike (MTB)

A mountain bike, often abbreviated as MTB, is a bicycle designed for off-road riding and trail cycling on rugged terrain such as mountains, forests, and wilderness areas. Mountain bikes feature durable frames, wide tires with aggressive tread patterns, suspension systems, and robust components optimized for handling rough trails, technical descents, and challenging obstacles. MTBs come in various styles and categories, including cross-country (XC), trail, enduro, downhill (DH), and fat bikes, catering to different riding preferences, skill levels, and terrain conditions for riders seeking adventure, adrenaline, and exploration in the great outdoors.

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N + 1

The N+1 rule is a humorous guideline among cyclists suggesting that the ideal number of bikes to own is always one more than the number currently owned. This tongue-in-cheek principle reflects cyclists’ tendency to continually desire additional bikes for different riding disciplines, conditions, or preferences.

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A nanogram is an extremely lightweight unit of weight measurement equivalent to one billionth of a gram (10^-9 grams). In the context of cycling, nanograms are commonly used in marketing materials to emphasize the lightweight nature of bike components, such as frames, wheels, and accessories, as well as the overall weight savings achieved through advanced materials, manufacturing techniques, and component optimization.

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Negative Split

A negative split refers to completing the second half of a distance or race faster than the first half. In cycling, negative splitting is a strategic pacing tactic used by riders to conserve energy, manage effort, and optimize performance over long distances or time trials. Negative splitting allows cyclists to gradually increase speed and intensity as they warm up, build momentum, and finish strong, resulting in faster overall times and improved race outcomes.

Zube Park No Drop Ride - Saturday December 2

Neutral Gear

Neutral gear is a hypothetical gear setting in cycling where there is no mechanical resistance or load applied to the drivetrain, allowing the pedals and wheels to spin freely without propelling the bike forward. While bicycles do not have a true neutral gear like automobiles, cyclists may joke about coasting or freewheeling in neutral to rest or conserve energy on downhill descents or during relaxed riding situations.

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Neutral Support

Neutral support refers to assistance provided to all racers in a cycling event, regardless of team affiliation. Neutral support vehicles and personnel stationed along the racecourse offer mechanical assistance, spare parts, hydration, nutrition, and medical aid to riders in need, ensuring fair competition and rider safety throughout the race.

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A nipple is a small component used to adjust spoke tension and secure spokes to a bicycle wheel rim. Nipples typically thread onto the ends of spokes and are tightened or loosened using a spoke wrench to achieve proper wheel truing and tensioning. Nipples come in various materials, colors, and designs to suit different wheel types and aesthetics.

Zube Park No Drop Ride - Saturday December 2

No Drop Ride

A no-drop ride is a group cycling outing or event where no rider is left behind or dropped from the group, regardless of individual speed, fitness level, or riding ability. No-drop rides promote inclusivity, camaraderie, and social interaction among cyclists of diverse backgrounds and experience levels, encouraging teamwork, encouragement, and mutual support throughout the ride.

NWCC offers no drop rides every week. Examples are the no drop group at Zube Park on Saturday, the Saturday Coffee Ride, and the Sunday Vintage Park Starbucks ride.

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Non-Drive Side

The non-drive side of a bicycle refers to the left side of the bike, opposite the drivetrain components such as the chainrings, cassette, and rear derailleur. Non-drive side components include the non-drive crankarm, left pedal, left shifter, and left-side hub flanges. Maintenance tasks such as adjusting brakes, checking wheel alignment, and inspecting frame integrity often involve accessing and working on non-drive side components.

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Noseless Saddle

A noseless saddle is a bicycle saddle design that lacks the front nose portion found on traditional saddles. Noseless saddles are engineered to reduce pressure on the perineal area and alleviate discomfort, numbness, or pain experienced by some cyclists, especially during long rides or in aggressive riding positions. Noseless saddles promote better blood flow, saddle support, and ergonomic comfort for riders seeking relief from saddle-related issues.

Zube Park No Drop Ride - Saturday December 2


A nut is a type of fastener used in various bike components to secure and tighten bolts, screws, axles, and other threaded connections. Nuts come in different shapes, sizes, and materials, including hexagonal, square, and flanged designs made of steel, aluminum, titanium, or carbon fiber. Nuts are essential for assembling and maintaining bicycle frames, wheels, drivetrains, brakes, and other parts, ensuring structural integrity, safety, and reliability on the road or trail.

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Zube Park No Drop Ride - Saturday December 2


Overgearing refers to using a larger gear than usual to increase pedaling resistance and challenge the muscles during cycling. Cyclists intentionally select a higher gear ratio to simulate climbing conditions, improve strength, and develop muscular endurance, especially when training on flat terrain or indoor cycling equipment such as stationary bikes or trainers.

Zube Park No Drop Ride - Saturday December 2


Overshoes, also known as shoe covers or booties, are protective covers worn over cycling shoes to shield the feet from rain, cold, wind, and debris during inclement weather conditions. Overshoes are typically made of waterproof or water-resistant materials such as neoprene, polyurethane, or Gore-Tex, offering insulation, windproofing, and splash resistance for enhanced comfort and warmth during winter riding or wet road conditions.

Zube Park No Drop Ride - Saturday December 2


Oversteer occurs when the rear of the bike turns more sharply than intended, causing the rider to lose control or stability during cornering, maneuvering, or steering inputs. Oversteer can result from excessive speed, aggressive steering, or improper weight distribution, leading to skidding, fishtailing, or even loss of traction and crashes. Cyclists can counter oversteer by adjusting body position, reducing speed, and applying smooth, gradual steering inputs to regain control and stability on the bike.

Zube Park No Drop Ride - Saturday December 2


Octalink is a bottom bracket and crankset interface design developed by Shimano for use in bicycles. Octalink features eight splines or ridges on the crank arms and corresponding teeth or slots on the bottom bracket spindle, providing a secure and reliable connection between the crankset and frame. Octalink systems are known for their stiffness, durability, and efficient power transfer, enhancing pedaling performance and longevity in various cycling disciplines such as road, mountain, and touring biking.

Zube Park No Drop Ride - Saturday December 2


An odometer is a device or instrument used to measure and display the distance traveled by a bicycle. Odometers come in various forms, including mechanical cable-driven units, electronic sensors, and GPS-enabled cycling computers, and they provide cyclists with real-time feedback on ride distance, speed, time, and other performance metrics. Odometers are essential tools for tracking mileage, monitoring training progress, and planning routes and rides for fitness, recreation, or transportation purposes.

Zube Park No Drop Ride - Saturday December 2

Open Tubular

Open tubular tires, also known as clincher tires, are bicycle tires designed to mimic the performance and ride feel of tubular tires while retaining the convenience and versatility of clincher tire setups. Open tubular tires feature lightweight casings, high-quality rubber compounds, and supple sidewalls for improved traction, comfort, and puncture resistance on a variety of road surfaces. Open tubular tires are compatible with standard clincher rims and tire setups, making them popular choices for road cyclists seeking enhanced performance and ride quality without the complexity or cost of tubular tire systems.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


An out-and-back ride, also known as a there-and-back ride or out-and-return ride, is a cycling route or journey that follows a linear path from a starting point to a destination and then retraces the same route back to the original starting point. Out-and-back rides offer simplicity, predictability, and familiarity for cyclists, providing opportunities for exploring new areas, testing fitness levels, and enjoying scenic views along the way. Out-and-back routes can vary in distance, terrain, and difficulty, making them suitable for riders of all abilities and preferences.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25

Oxygen Debt

Oxygen debt, also known as excess post-exercise oxygen consumption (EPOC), is the physiological phenomenon occurring during intense or prolonged exercise where the body’s demand for oxygen exceeds its immediate supply, resulting in a temporary oxygen deficit or debt. In cycling, oxygen debt accumulates during high-intensity efforts such as sprints, climbs, and intervals, triggering metabolic processes to replenish energy stores, clear metabolic byproducts, and restore oxygen levels to baseline levels post-exercise. Oxygen debt contributes to post-workout fatigue, calorie expenditure, and training adaptations, influencing recovery, performance, and fitness gains in cyclists.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


Offset or rake refers to the horizontal distance between the front wheel axle and the steering axis of a bicycle, affecting handling characteristics such as stability, maneuverability, and steering response. Positive offset, where the axle is positioned ahead of the steering axis, enhances stability and straight-line tracking, while negative offset, where the axle is behind the steering axis, improves agility and cornering precision. Offset is a critical design parameter in bike geometry, frame construction, and fork design, influencing bike fit, ride quality, and performance characteristics for different riding styles and preferences.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


On-the-rivet is a cycling expression describing a rider’s position and effort level while riding at maximum intensity or threshold power output. Derived from the literal meaning of being perched on the rivets or rivet heads of a saddle, on-the-rivet signifies a rider’s aggressive, forward-leaning posture and focused concentration during high-speed or high-power riding efforts such as sprinting, attacking, or time trialing. Cyclists often use the term on-the-rivet to describe intense, all-out riding experiences where they push themselves to their physical limits and beyond in pursuit of performance, speed, or victory.

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Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


A paceline is a riding formation in cycling where cyclists ride closely spaced together in a single line or drafting behind each other to reduce wind resistance and conserve energy, enabling faster speeds and greater efficiency compared to riding solo. Pacelines are commonly used in group rides, training sessions, and races, with riders taking turns at the front to break the wind and share the workload. Paceline riding requires coordination, communication, and trust among participants to maintain smooth, safe, and cohesive riding dynamics while rotating positions and managing pace variations.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


A pannier is a type of luggage carrier or bag designed to attach to a bicycle rack for carrying cargo, gear, supplies, or personal belongings during cycling adventures, commuting, or touring. Panniers come in various shapes, sizes, and configurations, including single-sided or double-sided designs, waterproof or water-resistant materials, and mounting systems compatible with rear or front racks. Panniers offer cyclists a convenient and versatile means of transporting items while distributing weight evenly and maintaining bike balance, stability, and handling characteristics on the road or trail.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


The peloton refers to the main group or pack of riders in a cycling race or event, typically comprising competitors closely grouped together as they ride in a large, compact formation. The peloton serves various purposes, including drafting to reduce wind resistance, conserving energy, and providing safety and visibility for riders within the group. Pelotons often exhibit complex dynamics, tactics, and strategies influenced by race conditions, terrain, team alliances, and individual rider objectives, shaping the outcome and excitement of races across different disciplines such as road racing, criteriums, and stage races.

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Personal Best

A personal best (PB), also known as a personal record (PR) or best time, is the fastest or most successful performance achieved by a cyclist on a specific segment, course, distance, or discipline. Personal bests serve as benchmarks for individual progress, improvement, and goal-setting in cycling, reflecting the culmination of training, dedication, and determination over time. Cyclists strive to surpass their previous personal bests by pushing their limits, refining their skills, and adopting effective training strategies tailored to their strengths, weaknesses, and objectives, fostering a culture of continuous growth, achievement, and fulfillment in the sport.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25

Pinch Flat

A pinch flat, also known as a snake bite puncture, is a type of flat tire caused by the inner tube being pinched between the tire and rim during impact or compression, resulting in dual punctures resembling the bite marks of a snake. Pinch flats commonly occur when a cyclist encounters sharp edges, potholes, or obstacles at high speeds or with insufficient tire pressure, causing the tire to compress against the rim and pinch the tube. To prevent pinch flats, cyclists can inflate tires to recommended pressures, avoid harsh impacts, and use wider tires or tubeless setups for enhanced puncture protection and impact absorption.

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The podium refers to the raised platform or stage where the top three finishers, also known as podium finishers, in a cycling race or competition stand to receive awards, prizes, or recognition for their achievements. Podium ceremonies are significant moments in cycling events, symbolizing victory, excellence, and athletic accomplishment as riders celebrate their performances and share the spotlight with teammates, sponsors, and spectators. Podium finishers often wear distinctive jerseys, wave national flags, and spray champagne in celebratory rituals, creating memorable and iconic images that inspire and motivate cyclists worldwide.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25

Power Meter

A power meter is a cycling device or sensor that measures and quantifies a rider’s power output or workload in watts, providing valuable real-time data and performance metrics for training, racing, and performance analysis. Power meters come in various forms, including crank-based, pedal-based, hub-based, and crankarm-based designs, and they utilize strain gauges, accelerometers, or other sensors to detect and record force, cadence, and speed data during cycling activities. Power meters enable cyclists to monitor intensity, track progress, set training zones, and optimize performance by precisely quantifying the physiological demands and energy expenditure of their rides and workouts.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25

Presta Valve

A Presta valve, also known as a French valve or Sclaverand valve, is a type of bicycle inner tube valve commonly used in high-pressure road bike tires. Presta valves feature a slender metal stem with a built-in valve core and a small threaded tip that seals against the rim, requiring a special pump head or adapter for inflation. Presta valves offer advantages such as lighter weight, narrower rim drillings, and higher sealing pressures compared to Schrader valves, making them popular choices for road cyclists seeking optimal tire performance and aerodynamics.

When you purchase bike tires with Presta valves, take care to select the correct length Presta valve to fit your bike wheel.

Cycling in Houston - Starbucks Vintage Park Ride - Sunday February 25


A puncture is a small hole or tear in a bicycle tire or inner tube caused by sharp objects, debris, or road hazards encountered during riding. Punctures can lead to gradual air loss, sudden blowouts, or flat tires, requiring cyclists to repair or replace damaged tubes or tires to restore rideability and safety. Common puncture prevention and repair techniques include using puncture-resistant tires, tire liners, sealants, and carrying spare tubes, patches, and tire levers for on-the-go fixes during rides.

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Pump Track

A pump track is a specially designed cycling facility consisting of a series of banked turns, rollers, jumps, and features arranged in a looping circuit or track layout, allowing riders to navigate the course by generating momentum and speed through body movements and pumping motions rather than pedaling. Pump tracks cater to a wide range of riders, from beginners to experienced cyclists, and they promote skill development, balance, coordination, and bike handling proficiency in a dynamic and entertaining environment. Pump track sessions offer cyclists opportunities for fun, fitness, and progression while building community, camaraderie, and shared stoke within the cycling community.

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The Q-factor is a measurement in cycling that refers to the horizontal distance between the outside edges of the crank arms on a bicycle’s drivetrain. It plays a crucial role in determining pedal stance width and rider biomechanics, influencing comfort, efficiency, and power transfer during pedaling. Optimal Q-factor varies among individuals based on factors such as hip width, flexibility, and riding style, with wider or narrower Q-factors offering different ergonomic benefits and preferences for cyclists.

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A Q-ring is a specialized type of oval-shaped chainring designed to optimize pedaling efficiency and power delivery during cycling. Unlike traditional round chainrings, Q-rings feature a unique shape that varies in diameter throughout the pedal stroke, with a larger effective radius in the power phase and a smaller radius in the dead spots. This design aims to smooth out the pedal stroke, reduce muscular fatigue, and improve traction and stability during high-torque efforts, enhancing overall performance and comfort for cyclists. Q-rings are favored by some riders for their potential benefits in power output, cadence management, and biomechanical efficiency.

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In cycling, “quad” is a colloquial term referring to the quadriceps muscles, a prominent muscle group located on the front of the thigh responsible for generating power during pedaling. The quadriceps play a vital role in cycling performance, providing the primary driving force for extending the knee and propelling the pedals forward. Cyclists often focus on strengthening and conditioning their quadriceps through specific training exercises and workouts to improve power output, endurance, and overall cycling performance.

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Quadrant Analysis

Quadrant analysis is a method used in the analysis of power meter data to assess pedaling efficiency and biomechanical effectiveness during cycling activities. It involves dividing the pedal stroke into four distinct quadrants based on the position of the crank arms relative to the top dead center and bottom dead center positions. By examining power distribution and timing within each quadrant, cyclists and coaches can identify asymmetries, inefficiencies, and opportunities for optimization in pedaling technique, muscle recruitment, and force application, facilitating targeted training interventions and performance improvements.

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Quartering is a strategic technique used by cyclists to minimize wind resistance and maintain speed when riding in windy conditions. By angling the bike slightly against the direction of the wind, cyclists can reduce the effective cross-sectional area exposed to headwinds, thereby decreasing aerodynamic drag and conserving energy. Quartering requires skillful bike handling and subtle adjustments to maintain balance and stability while optimizing aerodynamic efficiency, particularly in gusty or variable wind conditions.

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Quick Release (QR)

A quick release is a lever-operated mechanism commonly found on bicycle wheels and seatposts that allows for rapid removal and installation without the need for tools. By flipping the lever, the tension on the wheel or seatpost clamp is released, enabling easy adjustments or removal for transport or maintenance purposes. Quick releases are appreciated for their convenience and efficiency, especially in situations requiring frequent wheel changes or adjustments.

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Quick Link

A quick link, also known as a master link or connecting link, is a specialized type of bicycle chain link that facilitates easy removal and installation of the chain without the need for traditional chain tools. Quick links typically feature a special design that allows for tool-free assembly by snapping together or separating the chain ends, providing convenient maintenance and repair options for cyclists on the go. Quick links are commonly used for chain installation, removal, cleaning, and replacement, offering versatility and simplicity in chain management and upkeep.

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Quill Stem

A quill stem is a type of bicycle stem design characterized by its insertion into the fork’s steerer tube and secured in place by a quill and wedge system. Commonly found on older bicycles and classic designs, quill stems offer a traditional aesthetic and adjustable height functionality through the use of spacers and stem extension. While less prevalent in modern bike designs, quill stems remain popular among vintage bike enthusiasts and riders seeking a retro look or nostalgic appeal.

USA National Senior Games 2022

Quintuple Century

A quintuple century is an extreme long-distance cycling challenge or event that involves covering a distance of 500 miles within a single ride or over multiple days. Quintuple centuries push cyclists to their physical and mental limits, requiring meticulous planning, preparation, and endurance to conquer the demanding distance and terrain. Participants in quintuple century rides often face formidable challenges such as fatigue, sleep deprivation, adverse weather conditions, and logistical considerations, making completion a significant accomplishment and testament to their cycling prowess and perseverance.

USA National Senior Games 2022


In cycling, “quote” typically refers to the odds given for a particular rider or team to win a race or event, often used in sports betting contexts. Bookmakers and betting platforms assign odds to each competitor based on factors such as past performance, current form, course conditions, and competition level. These odds represent the implied probability of a rider winning the race, with lower odds indicating higher perceived chances of victory and higher potential payouts for successful bets. Quotes play a significant role in betting markets, influencing betting behavior, strategy, and potential returns for participants seeking to wager on cycling events.

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NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


A rack is a frame-mounted accessory commonly found on bicycles, designed to provide a secure and stable platform for carrying cargo, luggage, or panniers. Racks come in various designs and configurations, including rear racks, front racks, and rack systems compatible with specific bike frames and styles. They typically feature attachment points or mounting holes for installing panniers, bags, or baskets, as well as load capacity ratings to ensure safe and reliable cargo transport. Racks are popular among commuters, touring cyclists, and bikepackers for expanding carrying capacity, facilitating multi-modal transportation, and enabling efficient and convenient storage and organization of gear and supplies.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


Randonneuring is a form of long-distance, unsupported endurance cycling characterized by self-sufficiency, personal challenge, and exploration of scenic routes and landscapes. Participants, known as randonneurs, undertake organized brevet rides or audax events, where they must navigate predetermined courses within specified time limits, stopping at control points to collect proof of passage. Randonneuring emphasizes individual responsibility, time management, and route planning skills, as riders must contend with varying terrain, weather conditions, and logistical challenges over distances ranging from 200 kilometers to over 1200 kilometers. Randonneuring events promote camaraderie, adventure, and personal achievement in the pursuit of long-distance cycling challenges. A “Rando” is a bike set up for Randonneuring.

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Rear Derailleur

The rear derailleur is a critical component of a bicycle’s drivetrain responsible for shifting the chain between different gears on the rear cassette or freewheel. It consists of a movable arm with pulleys, known as jockey wheels, that guide the chain across the sprockets. When the rider operates the shifter, cable tension is adjusted, causing the derailleur to move the chain up or down the cassette, thereby changing the gear ratio. Rear derailleurs come in various designs and configurations to accommodate different speeds, chain widths, and gear ranges, providing cyclists with precise and reliable gear-shifting performance for optimal efficiency and control during rides.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


A rideout refers to a group ride organized by cyclists, often in urban settings, with a focus on showcasing bike handling skills, exploring new routes, or promoting community engagement and camaraderie. Rideouts vary in format, size, and purpose, ranging from leisurely social rides and educational workshops to fast-paced group rides and urban exploration adventures. Participants in rideouts typically gather at a designated meeting point, adhere to predetermined routes or itineraries, and adhere to group riding etiquette and safety guidelines. Rideouts offer opportunities for cyclists to connect with like-minded individuals, share experiences, and enjoy the thrill of riding together in a supportive and inclusive environment.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


In cycling terminology, “rigid” refers to a type of bicycle or bike component that lacks suspension features or systems. Rigid bikes, also known as rigid-frame bikes, do not incorporate front or rear suspension forks or shock absorbers, relying solely on the stiffness and resilience of the frame and fork structure to absorb vibrations and impacts from the terrain. Rigid bikes are commonly found in disciplines such as road cycling, cyclocross, commuting, and touring, where lightweight, simplicity, and efficiency are prioritized over off-road performance and comfort. While rigid bikes offer advantages in terms of pedaling efficiency and responsiveness, they may be less suited for rough or uneven terrain compared to bikes equipped with suspension systems.

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Rim Brake

A rim brake is a type of braking system commonly used on bicycles, where brake pads make direct contact with the wheel rims to slow down or stop the bike. Rim brakes operate by applying friction between the brake pads and the rim surface when the rider squeezes the brake levers. This friction generates stopping force, which helps decelerate the bike by converting kinetic energy into heat energy. Rim brakes are lightweight, simple to maintain, and cost-effective, making them popular among cyclists for road, commuting, and recreational riding applications.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery

Road Rash

Road rash refers to abrasions or friction burns sustained by cyclists when they slide across the pavement during a crash or fall. It is a common type of cycling injury characterized by skin abrasions, scrapes, and lacerations caused by direct contact with rough or abrasive road surfaces at high speeds. Road rash injuries can vary in severity, ranging from minor surface abrasions to deep tissue wounds requiring medical treatment and wound care. Prevention strategies for road rash include wearing appropriate protective gear such as helmets, gloves, and durable clothing, as well as practicing safe riding techniques and avoiding risky behaviors that increase the likelihood of crashes or accidents.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


A roller is a type of indoor cycling trainer used for stationary riding and training purposes, consisting of a set of cylindrical drums or rollers mounted on a frame. The cyclist balances and rides their bike on top of the rollers, which rotate freely when pedaled, providing resistance and simulating the sensation of riding on the road. Rollers challenge riders to maintain balance, stability, and smooth pedaling technique, making them a valuable tool for improving bike handling skills, core stability, and cadence control. Rollers are popular among cyclists for warm-up routines, indoor workouts, and off-season training sessions, offering a dynamic and engaging alternative to traditional stationary trainers.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


In cycling, a rouleur is a type of rider known for excelling in rolling terrain and long, steady efforts characterized by sustained power output and high average speeds. Rouleurs typically possess a combination of muscular strength, aerobic endurance, and tactical acumen, enabling them to thrive in races and events with undulating profiles, crosswinds, and extended flat sections. Rouleurs play strategic roles in road racing, serving as engines for breakaway attempts, lead-out trains, and tempo setting in the peloton. They are valued for their ability to maintain high speeds and apply pressure on rivals, making them formidable competitors in one-day classics, stage races, and flat terrain stages. Rouleurs often possess a versatile skill set and adaptability to different race scenarios, contributing to their success as all-rounders and key contributors to team performance.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery

RPM (Revolutions Per Minute)

RPM, or revolutions per minute, is a unit of measurement used to quantify the rate at which a cyclist pedals or the rotation speed of a bicycle’s crankset. It represents the number of complete pedal revolutions completed in one minute and serves as a key metric for assessing cadence, or pedaling rhythm and frequency, during cycling activities. Cyclists often monitor and adjust their RPM to optimize pedaling efficiency, power output, and cardiovascular effort, with typical cadence ranges varying based on factors such as terrain, riding intensity, and personal preferences. Maintaining an appropriate RPM can help cyclists achieve smoother, more controlled pedaling and enhance overall performance and comfort on the bike.

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The saddle, also known as the seat, is a critical component of a bicycle that provides support and comfort for the rider during cycling activities. Saddles come in various shapes, sizes, and designs to accommodate different riding styles, body types, and preferences. They typically feature a contoured surface with padding and/or a covering material such as leather, synthetic fabric, or foam to cushion the rider’s sit bones and alleviate pressure points. Saddles may also incorporate features such as cutouts, channels, or relief zones to enhance airflow and reduce discomfort, particularly during long rides. Finding the right saddle fit is essential for maximizing comfort, minimizing saddle-related issues such as numbness or chafing, and optimizing overall riding enjoyment and performance.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


A sprocket is a toothed wheel or gear found on the rear cassette or freewheel of a bicycle’s drivetrain, which meshes with the chain to transmit power from the pedals to the rear wheel. Sprockets come in various sizes and configurations, each corresponding to a specific gear ratio that determines the mechanical advantage and resistance experienced by the rider during pedaling. Cyclists can select different sprocket combinations to achieve desired gear ratios for varying terrain, riding conditions, and performance objectives, allowing for efficient power delivery and cadence management. Sprockets play a crucial role in gear shifting and overall drivetrain performance, influencing acceleration, speed, and climbing ability on the bike.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


Shifters are controls or mechanisms on a bicycle that allow the rider to change gears by adjusting the position of the derailleurs and moving the chain between different sprockets or chainrings. There are various types of shifters, including integrated shift/brake levers (STI, DoubleTap), thumb shifters, twist shifters, and electronic shifters (Di2, eTap), each offering different ergonomic designs and shifting mechanisms. Shifters may be located on the handlebars or integrated into brake levers, providing intuitive access and ergonomic positioning for riders to make quick and precise gear changes while maintaining control and stability on the bike. Proper shifter operation and adjustment are essential for smooth, reliable shifting performance and optimal drivetrain efficiency during cycling activities.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


Singletrack refers to narrow trails or paths typically designed for mountain biking, characterized by a width roughly equivalent to the length of a bicycle. Singletrack trails wind through natural terrain features such as forests, mountains, and hillsides, offering a challenging and immersive riding experience for cyclists seeking adventure and excitement off-road. Singletrack trails may feature technical elements such as tight turns, steep descents, rocky sections, roots, and obstacles, requiring skillful bike handling, balance, and concentration to navigate safely and efficiently. Singletrack riding is popular among mountain bikers for its dynamic and engaging nature, offering opportunities to explore remote wilderness areas, connect with nature, and push personal limits while enjoying the thrill of off-road cycling.


Skid Stop

A skid stop, also known as a skid or skip stop, is a braking technique used by fixed-gear cyclists to slow down or stop the bike by locking the rear wheel and causing it to skid along the road surface. Skid stops are performed by applying backward pressure to the pedals while simultaneously lifting the rear wheel off the ground, allowing the rear tire to lose traction and slide across the pavement. Skid stops require precise timing, coordination, and practice to execute effectively, as well as a solid understanding of bike handling and control to avoid accidents or loss of control. Skid stops are favored by some fixed-gear riders for their simplicity and aesthetic appeal, although they can increase tire wear and decrease braking efficiency compared to other braking methods.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


A slipstream, also known as drafting or drafting zone, refers to the area of reduced wind resistance behind a moving cyclist or group of cyclists, created by the aerodynamic wake generated by the leading rider(s). Cyclists riding in the slipstream of others experience a decrease in air pressure and drag, allowing them to maintain higher speeds or achieve the same speed with less effort compared to riding alone. Slipstreaming is a strategic tactic used in road racing, time trials, and group rides to conserve energy, improve aerodynamic efficiency, and gain tactical advantages by riding in the draft of competitors or teammates. Cyclists may take turns drafting and sharing the workload, rotating positions within a paceline or echelon formation to optimize speed and efficiency while minimizing wind resistance.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


Spin, also known as spinning or high cadence pedaling, refers to the act of pedaling at a relatively fast cadence or revolutions per minute (RPM) on a bicycle. It involves maintaining a rapid and continuous pedaling motion with minimal resistance, typically in a lower gear ratio, to achieve smooth and efficient power delivery to the drivetrain. Spinning is commonly associated with aerobic endurance training, indoor cycling workouts, and recovery rides, as well as techniques used by cyclists to optimize pedaling efficiency, reduce muscular fatigue, and enhance cardiovascular fitness. Cyclists may utilize spinning as a strategy to improve cadence, develop neuromuscular coordination, and enhance overall cycling performance, particularly in situations requiring sustained efforts or high-speed riding.

NWCC Labor Day VP Ride - September 4, 2023 - St Arnold Brewery


Strava is a popular social networking and fitness-tracking platform used by cyclists, runners, and other athletes to record, analyze, and share their outdoor activities, workouts, and training data. The Strava app allows users to track GPS-based metrics such as distance, speed, elevation gain, and route maps in real-time using mobile devices or GPS-enabled fitness devices. Users can upload their activities to the Strava website or mobile app, where they can view detailed statistics, segment leaderboards, and performance analytics, as well as interact with a global community of athletes through comments, likes, and virtual challenges. Strava offers features such as segment tracking, achievements, challenges, clubs, and training plans, making it a versatile tool for goal setting, motivation, and social engagement in the cycling and fitness community.


  • Discerning Cyclist: From Aero to Zoom: The Ultimate Cycling Glossary by Herman Eloff
  • NWCC Member Steve Green

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