Shimano FC-9100 Dura Ace Crankset 2x11 Speed Crank Arm Length:175mm USB-C waterproof charging(cable not included)

USB-C waterproof charging(cable not included)

Machined aluminum shell threads together for precise bearing alignment and frame fit

Compatible with metal and resin brake pad compounds

internal cable routing

Shimano FC-9100 Dura Ace Crankset 2x11 Speed Crank Arm Length:175mm USB-C waterproof charging(cable not included)4 arm construction cranksetNew designed crank armIconic designRedesign the gear teeth profile to fit wider gear pitchHOLLOWGLIDEBest balance for lighter weight ( 7g) and efficiencyShorter length of rear center with O. L. D. 135mmOptimum power transferAdapted for race specific disc brake systemMaintains high rigidity and reduces weight OUTER RING MATERIAL Aluminum CFRP AVERAGE WEIGHT 609g, ,621g THREADED BB SHELL WIDTH 68,70 CRANK ARM FINISH Anodized