Performance
For top strength, solid power and smooth gear changes, the Dura-Ace FC-R9100 outer chainring replaces your big ring with a precise, durable option. Improved tooth shaping gives smooth, reliable chain pick-up under load.
Spec & Options
Anodised aluminium construction, 110mm BCD with a four-arm asymmetric fitting, compatible with 11-speed Shimano setups. Available in 50T, 52T and 54T – select the tooth count to suit your gearing.
Features
- Shimano Dura-Ace FC-R9100 outer chainring – strong, smooth shifting for your big ring
- Aluminium construction with anodised finish for strength and durability
- 110mm BCD, four-arm asymmetric fitting
- Improved tooth shaping for smooth, reliable chain pick-up
- 11-speed Shimano compatible
- Available in 50T, 52T and 54T – select to suit your gearing










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