SHIMANO ULTEGRA – HOLLOWTECH II – Road Crankset – 2×11-speed

The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. It is available with 53-39, 52-36, 50-34, and 46-36T chainrings and 165, 170, 172.5, and 175mm crank arm lengths.

FEATURES

Lightweight crankarm design optimized for power-transfer efficiencyMinimal weight without sacrificing stiffnessHOLLOWTECH IIRider-tuned gear performance through various gear combinations

Redesigned FC for greater frame compatibilityWider gear pitch increases clearance between chain and leading teeth, providing compatibility with frames of O.L.D. 135 mm and 410 mm chainstay length