The chainring teeth have been developed to work only in conjunction with Hyperglide+ 12-speed chains for improved contact providing more efficiency and improved power transferGenuine Shimano replacement chainrings for the FC-R7100 cranksets available in 52T, 50T (Outer ring), 36T, 34T (Inner ring)Shimano part numbers: 52T-NH - Y0RS98070, matches 36T-NH - Y0RS9802T, 50T-NK - Y0RS98010, matches 34T - Y0RS9801TCompatible chain Shimano HG 12-speedSpecifications:Product TypeChainringSpeed12 SpeedDisciplineRoadColourBlackSize36 teethBolt Circle Diameter110 mmChainring Fitting4 Arms
