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The crank, formed with hollow aluminum technology, is anodized with a beautiful gloss black anodized finish, giving it a luxurious look. The resin ribs on the back of the chainrings are Shimano 105's unique structural design that achieves both thorough weight reduction and crisp shifting performance.
- Optimal balance of stiffness, strength, weight and rotational performance
- Hollow aluminum crank arms
- Gear combination: 50-34T, 52-36T
- Compatible with 12-speed chain
- Recommended chain (not included): CN-M7100
- Recommended Bottom Bracket (not included): SM-BBR60 (threaded)/SM-BB72-41B (press-fit)
- Q-factor: 148 mm
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Review Shimano FC-R7100 12 Speed 34/50T Hollowtech II 175mm Crankset