Shimano FC-RX600 GRX chainset 40T, single, 11-speed, 2 piece design, 172.5 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. Weight: 743 g (40T) for 170 mm.