Welcome to Clutch and Chrome's Biker Dictionary.

Ever read or hear something that sounds like biker lingo or rider slang? We've collected the most commonly used definitions, lingo and slang and put it in everyday language.

If there's something you feel we've missed email our Biker Dictionary Editor with the word or phrase and what it means. Make sure to include your name and where you live since we want to give you credit!

Enjoy!

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Aerodynamics
A branch of fluid dynamics concerned with the study of gas flows, first analyzed by George Cayley in the 1800s. The solution of an aerodynamic problem normally involves calculating for various properties of the flow, such as velocity, pressure, density, and temperature, as a function of space and time. In motorcycle terms this would be used to describe how the design controls the flow of air over and around the bike adding speed and comfort to the ride.

Aftermarket
The industry that sells parts and accessories other than original equipment manufacturers (OEM).

Air Intake Valves
Reed Valves

Anchor
Brakes. Also referred to as ‘Anch's’.

Ape Hangers
A type of handlebars which due to its shape raises the rider's hands above his or her shoulders giving the impression the arms are ‘hanging’. The overall look gives the impression of an ape hanging in a tree. Also referred to as ‘Apes’.