Supports attached to the hub; the athlete stands on them to perform certain freestyle acrobatics.
helmet
Hard piece of equipment designed to protect the head.
handlebars
Grips with a system of rings that pivot around an axle; this enables the handlebars to turn 360°.
single sprocket
Wheel with teeth that is connected to the chain wheel by a chain enabling the wheel to turn; the bicycle has only one sprocket as there is only one gear.
single chain wheel
Wheel with teeth that is connected to the sprocket by a chain enabling the wheel to turn; the wheel has only one chain wheel as there is only one gear.
