This 2-piece crank uses an outboard, 24mm bottom bracket and features 2x11 speed 52-36, 50-34, and 46-36T compact chainrings. It uses a 4-arm construction and is compatible with modern disc brake road frames.
Optimized lightweight crank arm design produces excellent power transfer efficiency
HOLLOWTECH II
Rider tuned gear performance through various gear combinations
Minimized weight without sacrificing stiffness
