Mountain bike
device · 1977 · Digital age
A bicycle for rough terrain with wide tyres.
What it is made of
- Suspension fork — has part. A suspension fork.
- Derailleur — has part. Many gears.
Principles and materials it uses
- Aluminium — is made of. The frame is aluminium.
- Vulcanized rubber — is made of. The tyres are rubber.
What it is a kind of
- Bicycle — is a kind of. A bicycle.