Shimano Grx Fc-rx810-2 Cranks 2x11 48-31t 170mm Arm Brand New
SERIES GRX 11-speed. Crank arm length (mm)|170. Crank arm length (mm)|172.5. Crank arm length (mm)|175. HOLLOWTECH crank arm. HOLLOWTECH II. Compatible bottom bracket type|Outboard. Chain line (mm) 47.