Description
Tonnycat vous propose :
PBR C45 steel standard crown de PBR
Crown PBR steel C45 standard 4478 - 428
- With its long-standing experience in competition in collaboration with top teams, PBR offers a range of high-quality sprockets and crowns.
- High-quality 18NCD5 steel alloy
- Highly resistant to corrosion and abrasion
- Reduction of friction
- Very strict manufacturing process















