For this wheel, the distance traveled by the bike for a single crank revolution is: The picture shows the rear sprocket mechanism (without the chain). The derailleur mechanism is to the right of the ...

The bottom of the Crank Sprocket pulls the chain forward which in-turn pulls on the top of the Small Wheel Sprocket. This also turns the rear wheel in the forward direction. The portion of the ...

This distinctive kick wheel ... from a chain which could be adjusted to match the length of the potter's lower leg so it described the same arc as the foot; the bearing on the crank shaft was ...

However, the pedals have no physical connection to the driven wheel – no chain or belt. Instead, the way the Rover 45 works is through a bunch of sensors and wires. You crank away at the pedals ...