• 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. • Anodized aluminium crank arms. • Lightweight aluminium chainring. • 4 arm, 110 mm bolt circle diameter.
