Shimano GRX chainset 42T, single, 11-speed, Hollowtech II, 175 mm Size:42T ReAKT (Ambient Kinetic Technology) is

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

designed for 86

such as carbon fibre reinforced ends

Material - 7075 aluminum

and disc-specific wheels complement the powerful 160mm disc brakes for consistent stopping power

Shimano GRX chainset 42T, single, 11-speed, Hollowtech II, 175 mm Size:42T ReAKT (Ambient Kinetic Technology) isFC 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