Designed with Hollowglide technology the Dura Ace FC-R9200 chainrings enables an exceptionally smooth and fast shifting process. Whilst the high rigidity hollow structure cuts down weight yet still maintains strength.Material: aluminium, carbon fiber reinforced plasticTechnology: HollowglideChain line : 44.5mmBolt circle diameter : 110mm asymmetricalColour: AnthraciteCompatibility cranks: Shimano Dura Ace FC-R9200 – FC-R9200-P
75%
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