The Shimano Ultegra 11-Speed crankset is a HollowTech II 2x11-speed crankset with an optimized lightweight crank arm design that produces excellent power transfer efficiency.
Features
Minimizes weight without sacrificing stiffness
Delivers rider-tuned gear performance through various gear combinations
Redesigned FC for greater frame compatibility
50/34 chainring
Wide gear pitch increases clearance between chain and leading teeth to provide compatibility with frames with O.L.D. 135mm and a 410mm chainstay length