Bicycle Components & Accessories

Shimano GRX FC-RX810 GRX chainset 40T, single, 11-speed, Hollowtech II, 170 mm, Black Tighter shifting steps ensure consistent rhythm on well-known tracks Optimal gear for different surfaces and different riding styles Durable and strong Shimano GRX FC-RX810 GRX chainset 40T, single, 11-speed, Hollowtech II, 170 mm, Black