The Glossary: A-EWelcome friends to section A-E of The Glossary. --A-- Alloy: A mixture of metals such as chromium, molybdenum, and manganese. The same process can be done with aluminum and titanium. ATB: This is an acronym for All Terrain Bicycle. Anatomic: Any design or cycling component specifically made to fit the shape of the human body. Attack: A sudden acceleration by a cyclist --B-- Bar-ends: Short extensions usually attached at the ends of a flat bar handlebar. Bead: The part of the tire that fits inside the wheel's rim. Bell Lap: Usually the last lap of a criterium race. BMX: Acronym for Bicycle Motocross. Bonk or Bonked: A term used to describe when a cyclist has reached complete exhaustion. Boss: Also known as "Braze-ons," are threaded or welded-on screw mounts that hold racks or water bottle cages. Bottom Bracket: The spindle that connects the cranks to either side of the bottom bracket shell. Brake pads: The rubber part that press against the wheel's rim surface when the brakes are applied. Braze-on: Items or accessories that are welded on your bike's frame. Break-away: A strategic move during a race when one or more riders quickly pulls or accelerates away from the main group. --C-- Cadence: Rotations or Revolutions of the bicycles pedals. Usually measured in RPM (revolutions per minute). Cantilever brakes: A type of mountain bike brakes, that consist of two independent arms joined by separate brake cables to a main brake cable. Carbon fiber: Filaments (carbon) made hard by resin then woven and shaped to form a single piece. Cassette: Not the audio tape. It is the collection of cogs that sits on the rear wheel's freehub. Chain: The part of the drivetrain that connects the crankset to the rear wheel. Chainrings: The rings attached to the crank arm. Chainstay: The two tubes that join the bottom bracket and rear dropouts. Chain suck: A term used to describe when your chain gets jammed between the chainstay and the crank chainrings. Chamois: The padded material found in bicycle shorts. Usually made of leather or synthetic material. Also great for drying your car. Chromoly: Chromium and molybdemum, once upon a time the most popular material used as a frame material. Cleat: A metal or plastic plate that fits on the bottom or sole of a bicycling shoe. Clincher: A type of tire that attaches to a rim with the use of a stiff wire bead. Clinchers that have a flexible wire bead are known as "foldables." Clipless pedal: A pedal that attaches a bicycling shoe using a special cleat without the need for toe-clips or straps. Cog: A single multi-tooth gear that when combined with other cogs form the cassette or freewheel. Components: The major parts of the bicycle (except for the frame): handlebars, gears, pedals, shifters, bottle cages, etc. Crank arms: Often called "cranks," is the bicycles drive system. Criterium: A type of road race which is on a closed course of only a mile or two but has many laps. This type of race is very fast from start to finish. Cycle Lane: Designated area on the road for cyclist. --D-- Derailleur: The mechanical device that pushes the chain and moves it to a new position on the cassette or chainring. Donuts: Small rubber rings that are attached to brake cables to prevent them from scratching the bicycle's paint. Also great glazed or with sprinkles and a cup of coffee. Down tube: The tube that slopes down from the head tube to the bottom brackets. Drafting: A technique used in cycling where a cyclist covers another cyclist from the wind. Drops: The lower part of the handlebar usually found on road bicycles. Dropouts: The part of the bike where the wheels axles attach to the frame. --E-- Echelon: A type of paceline where the riders draft off of each other in an angle in a crosswind. Elastomer: A rubber like material used in suspension systems. Eyewear: Commonly knowns as shades, goggle, sunglasses, etc. Eyelets: Braze-ons installed on the forks and dropouts to allow attachment of a rack system or fender to the bicycle frame. End of section A-E. A-E: Return to The Glossary Home
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