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), 36T, 34T (Inner ring)