Chrono Time Trial Chainring 130mm
Specific chainring developed for Bouygues Telecom pro racing team.
Used by all the team during Time Trial step on Tour De France 2005.
7075 T6 CNC - CT (Ceramic Teflon Treatment) fitted with CSA 9/10 Speed indexation for shifting and pedalling optimisation.
- Shimano compatibility 10/11 Speed (130 mm pcd)
- 7075 T6 aluminium in 4 mm (High rigidity/performance)
- CT finishing Black Ceramic Teflon