Pedal.
I suppose it is. For the rear the chain connects at one radius, the pedal at another and the contact patch to the ground on a 3rd.
Bicycle brakes are usually levers
Pedal : Bicycle
the handlebars are a first class lever. the fulcrum (the balance point) is in the middle.
pedal
In order to make the bicycle move we are required to pedal.
Yes it was possible. Emperor Napoleon III died in 1873 and the pedal bicycle was invented in 1839.
Yes
no it is a lever
when you pedal, they go round?!?
A Tandem