The Shimano Ultegra FC-R8100 12 speed chainrings are the perfect replacement for worn or damaged chainrings
Shimano's class leading chainrings offer the optimum balance of light weight and rigidity for precise shifts even under high load
The teeth have been developed to work only in conjunction with 12-speed chains for improved contact providing more efficiency and improved power transfer
Genuine Shimano replacement chainrings for the FC-R8100 & FC-R8100-P cranksets available in 52T, 50T, 46T (Outer ring), 36T, 34T (Inner ring)
