Road wheel
part · 1904 · Electric age
A wheel that rolls along the inside of a track.
What it is made of
- Ball bearing — has part. The road wheels turn on bearings.
Principles and materials it uses
- Steel — is made of. The road wheel is steel.
- Vulcanized rubber — is made of. With a rubber tyre.
Where it is used
- Continuous track — is part of. Road wheels roll along the track and carry the vehicle’s weight.