What pneumatic tyre is made of
An inflatable rubber tyre; John Dunlop created the practical design for the bicycle.
- Tyre tread — has part. A tread.
- Inner tube — has part. Tube-type tyres.
- Vulcanized rubber — is made of. A tyre is made of vulcanized rubber.
- Synthetic rubber — is made of. Modern tyres are mostly synthetic rubber.