![Shimano Dura-Ace FC-R9200 Chainring 40T Shimano Dura-Ace FC-R9200 Chainring 40T](https://cdn11.bigcommerce.com/s-tpvx4esvgk/images/stencil/500x500/products/147047/381204/shimano_dura-ace_fc-r9200_chainring_40t_1__51431.1697242985.jpg?c=1)
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