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.
- Horizontal square interface - Only includes left crank
• Square taper interface • Only includes left crank
• Square taper interface • Only includes left crank • 175mm length
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