The topmost small toothed wheel on the rear derailleur. It's responsible for moving the chain during shifting. The bottom pulley is called the "tension pulley." It creates tension on th [..]

Slang for dual-function road bike levers that both brake and shift. Comprised of the "br" from brake and "ifters" from shifters.

The motorized "circus" that accompanies most major professional stage races and even some amateur events, the caravan is composed of officials' vehicles, motorcycle police, team cars, m [..]

The tendency of the chain to move up and down and strike ("slap") the chainstay when you're riding over bumps.

Also called "mudguards," these mount over the wheels to keep water and muck from spraying all over you while you're riding on rainy days or on muddy trails.

Slang for many cyclists' favorite post-ride "energy bar," the burrito.

A device that usually attaches to the bicycle frame and rubs against the tire to produce electricity to illuminate your lighting system via pedal power rather than batteries.

(Say: ill - oom - in - nite) - A brand name for a highly reflective fabric used in high-tech cycling clothing.

A line of riders (all it takes is two, yet the more there are, the better it works) traveling closely together and taking turns in the lead in order to save energy, share the work and travel more quic [..]

Also called "glue", this is the adhesive that's applied to rims to mount sew-up (also called "tubular") tires.