Shimano GRX chainset 42T, single, 11-speed, Hollowtech II, 175 mm Size:42T These rings are the same

These rings are the same rings fitted to the KCNC XC-1 cranksets

ReAKT (Ambient Kinetic Technology) is the latest innovation automatically adapting the light to conditions

Over two years of research and development has gone into these performance driven grips

Stainless steel crown race

designed for 86

Shimano GRX chainset 42T, single, 11-speed, Hollowtech II, 175 mm Size:42T These rings are the sameFC RX810 GRX chainset 42T, single, 11 speed, Hollowtech II, 175 mm Shimano GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world The HollowTech II 11 speed single chainset offers optimum gearing for mixed terrains and riding styles Designed to work with HollowTech II type bottom bracket cups Compatible with 11 speed HG chains