A

AMA
- American Motorcycle Association

AFFA - Angels Forever Forever Angels

Aerodynamics - In motorcycle context, good aerodynamics means that the motorcycle is designed to have as little resistance from the air as possible. This is essential to achieve great speeds. The manufacturers often make use of wind tunnels during the development of a new motorcycle.

Air Intake Valves - Reed Valves

Anch's or Anchor - Brakes

Apes or Ape Hangers - Handlebars that are very high, and which often raise the rider's hands above his or her shoulders. High handlebars so Biker's hands are at or above their shoulder height.. Refers to a handlebar style where the handgrips are located at a higher position, so as to enable the rider's arms to "hang" Picture "Clyde" from "Every Which Way but Loose" and you'll get a perfect understanding of the riding position.