Only fits Shimano Dura Ace FC-R9100 55-42T Crankset 42T Chainring is excluded Brand Shimano MPN Y1VP98050 Bolt Center Diameter 110 mm Teeth 55t For Bike Type Road Bike - Racing Type Chain Ring Model Dura Ace FC-R9100 UPC 0689228907225 Part Type Bicycle part ColorIce Gray/ Black MaterialAluminum Chain CompatibilityShimano 11 speed BCD110mm Teeth55T .
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