Bicycle drivetrain
part · 1885 · Electric age
Pedals, cranks, sprockets and chain: they transfer the force of the legs to the rear wheel.
What it is made of
- 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.
Principles and materials it uses
- Chain drive — uses. A bicycle drivetrain is a classic chain drive.
- Steel — is made of. The chain and sprockets are steel.
Where it is used
- Bicycle — is part of. The drivetrain transfers the force of the legs to the rear wheel — the main difference from a kick scooter.
- Folding bicycle — is part of. The drive.