Only fits Shimano GRX FC-RX820-2 48/31T Crankset 31T Chainring is EXCLUDED. Brand Shimano MPN Y0SC98010 Bolt Center Diameter 110mm Teeth 48T For Bike Type Gravel Bike Type Chain Ring UPC 192790848938 Part Type Bicycle part ColorBlack MaterialAluminum Chain CompatibilityShimano 12 Speed BCD110mm Teeth48T .
eBay