shimano grx fc-rx810 40t single 11-speed hollowtech ii 170 mm chainset

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.Features:The hollowtech ii 11-speed single chainset offers optimum gearing for mixed terrains and riding stylesDesigned to work with hollowtech ii type bottom bracket cupsCompatible with 11-speed hg chainsAnodized aluminium crank armsLightweight aluminium chainring4 arm, 110 mm bolt circle diameterWeight: 644 g (40t), 656 g (42t) for 170 mm