Description
The Shimano 105 FC-R7100 12-speed crankset offers an optimized balance between lightweight and efficiency without sacrificing stiffness. The crank is formed with hollow aluminum technology and finished with a durable gloss black anodized. The resin ribs on the back of the chainrings are Shimano 105’s unique structural design that achieves both through weight reduction and crisp shifting performance
- Optimal balance of stiffness, strength, weight and rotational performance
- HOLLOWTECH II structure cuts weight yet maintains strength for better power transfer
- Crank arm length: 172.5mm
- Gear combination: 50-34t
- Q-factor: 148 mm
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