What bicycle drivetrain is made of
Pedals, cranks, sprockets and chain: they transfer the force of the legs to the rear wheel.
- Pedal — has part. The pedals take the force of the legs.
- Crank — has part. The cranks turn the motion of the legs into rotation.
- Sprocket — has part. The front and rear sprockets set the gear ratio.
- Roller chain — has part. The chain carries rotation from the front sprocket to the rear one.
- Derailleur — has part. Derailleurs.
- Freewheel — has part. A freewheel.
- Chain drive — uses. A bicycle drivetrain is a classic chain drive.
- Steel — is made of. The chain and sprockets are steel.