De quoi est fait chenille
A closed loop of track links driven by a sprocket; spreads the vehicle’s weight.
- Track link — a pour partie. A track is made up of track links.
- Sprocket — a pour partie. The drive sprocket engages the track and pulls it round — just as a bicycle sprocket pulls the chain.
- Road wheel — a pour partie. Road wheels roll along the track and carry the vehicle’s weight.
- Steel — est fait de. The track links are steel.