- Made with special material processed using high technology machine which produce more precise gear box ratio so that easier to do gear shifting.
- Designed with special heat treatment guarantee that gear ratio have better durability.
- Available in many size adjustable as engine needs and track character.
- TDR Gear Ratio has been used by many racing team.
- Stock: 20
- Model: 31101-5TP01
- Weight: 0.40kg
- Dimensions: 17.00cm x 14.50cm x 3.50cm