Description
Tonnycat vous propose :
Couronne PBR acier standard - 420 de PBR
Standard steel PBR crown - 420
- With its long-standing experience in competition in collaboration with top teams, PBR offers a range of high-quality sprockets and crowns.
- Very high-quality 18NCD5 steel alloy
- Highly resistant to corrosion and abrasion
- Reduction of friction
- Very strict manufacturing process















