- The Shimano FC-RX810 GRX 11 speed single 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 loads
- Featuring a thick thin chainring teeth profile to give you better chain retention and smoother pedalling in the toughest and muddiest of conditions
- Designed to work with Shimano's 11-speed HG chain providing more efficiency and improved power transfer
- Genuine Shimano replacement chainrings for the FC-RX810 1X cranksets available in 42T, and 40T manufactured from lightweight aluminium and with anodised teeth for increased durability
- Shimano part numbers: 42T - Y0JP98020, 40T - Y0JP98010
- Compatible chain Shimano HG 11-speed
