The Shimano FC-RX610 GRX 12 speed single chainrings are the perfect replacement for worn or damaged chainrings

Features

• 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 12-speed HG chain providing more efficiency and improved power transfer
• Genuine Shimano replacement chainrings for the FC-RX610 1X cranksets available in 40T, and 38T offering lower ratio?s and manufactured from steel for increased durability
• Shimano part numbers: 40T - Y0SR9802T, 38T - Y0SR9801T
• Compatible chain Shimano HG 12-speed