the bike acts as a normal bike does where top of the Crank Sprocket pulls the chain and the chain then pulls on the top of the Large Wheel Sprocket. This turns the rear wheel in the forward direction.

The mountain bike industry has recognized the benefits of shorter cranks in the last few years, and more brands are following ...

The Derailleur gear system moves the bicycle chain between different gears on both the crank and rear sprocket gearsets. This is achieved by displacing the chain sideways so that it 'jumps' from one ...