Shimano 105 FC-R7100 105 12 speed outer chainring, 52T-NH for 52/36T

The Shimano 105 FC-R7100 12 speed chainrings are the perfect replacement for worn or damaged chainrings 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 transfer Genuine Shimano replacement chainrings for the FC-R7100 cranksets available in 52T, 50T (Outer ring), 36 T, 34 T (Inner ring) Shimano part numbers: 52T-NH - Y0RS98070, matches 36T-NH - Y0RS9802T, 50T-NK - Y0RS98010, matches 34T - Y0RS9801T Compatible chain Shimano HG 12-speed