Aero Bars: These are extensions, which come out of the front of
some types of handlebars that lets the rider get into an
aerodynamic position. These are used mostly on road bikes. All
Terrain Bicycle (ATB): This is another name for a mountain bike.
Attack: A sudden burst of speed to get ahead of a pack or group
of riders. Bar Ends: These are the extensions that connect to
the end of a mountain bike's handlebars. They help the rider
gain leverage when they are going up hills. They also can be
used as a hand rest. Bit and Bit: This is when riders take turns
riding in front of the pack. Block: In road racing, this is an
attempt to foil or frustrate a chase by slowing down a paceline.
Blow Up: To be overcome with fatigue. BMX: This stands for
Bicycle motocross. This was derived from motorcycle motocross
and is off-road racing over a track that has been laid out with
various obstacles on it. BMX bicycles are like mountain bikes,
but they do have a smaller frame and smaller wheels. Bottle
Cage: This is a bracket wh