What bicycle wheel is made of
A light spoked wheel with a hub on bearings and a tyre.
- Spoke — has part. Spokes are tensioned between the rim and the hub and carry the load.
- Ball bearing — has part. The wheel hub turns on ball bearings.
- Pneumatic tyre — has part. The tyre softens bumps and improves grip.
- Hub gear — has part. Hubs with gears.
- Inner tube — has part. Inside the tyre is an inner tube: the air pumped into it makes the wheel soft.
- Steel — is made of. The rim and spokes are steel.
- Vulcanized rubber — is made of. The tyre is rubber.