Only fits Shimano Dura Ace FC-R9100 54-42T Crankset 42T Chainring is excluded Brand Shimano MPN Y1VP98040 Bolt Center Diameter 110 mm Teeth 54t For Bike Type Road Bike - Racing Model Dura Ace FC-R9100 UPC 689228907218 Part Type Bicycle part ColorIce Gray/ Black MaterialAluminum Chain CompatibilityShimano 11 speed BCD110mm Teeth54T .
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