Details
Shimano’s Ultegra Compact Crankset boasts hollow-forged-aluminum arms and a hollow aluminum big ring. These technologies combine for impressive weight savings and superb strength. An integrated bottom bracket axle provides super-efficient power transfer, while chainrings with ramps, pins and notched teeth deliver lightning-quick shifting.
Bottom-bracket cups sold separately
Weight: 788g (50/34, 170mm); 790g (53/39, 170mm); 892g (52/39/30, 170mm)
