These chainrings are for Shimano GRX cranks 110 BCD. They feature our patented Drop-Stop® design for the best wear life, chain retention, and mud clearance.

Weight: 38t • 72g | 40t • 84g | 42t • g | 44t • 92g. Material: 7075-T6 aluminum. Chainline: 50mm (same as Shimano GRX chainrings).