Shimano

Shimano FC-R7100 105 12-Speed Crankset

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Arm Length: 170 mm

Gear Ratio: 50-34 T

The newly designed Shimano FC-R7100 105 12-Speed Crankset offers an optimized balance between lightweight and efficiency.

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
  • Hollowtech II structure cuts weight yet maintains strength for better power transfer
  • Crank arm length: 160, 165, 170, 172.5, 175 mm
  • Gear combination: 50-34T, 52-36T
  • Q-factor: 148 mm