Shimano Cranksets | 105 FC-R7100 2x12-Speed, Hollowtech II

Shimano 105 Hollowtech II Crankset 2x12-Speed FC-R7100
An attractive aluminium crank with hollow arms for lightweight, rigidity, and durability
The newly designed crank arms offer an optimized balance between lightweight and efficiency. The crank, formed with hollow aluminium 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.

Features

• 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

Specifications

• Model No: FC-R7100
• Series: Shimano 105 R7100 Di2 Series
• Colour: Black
• Average weight: 754 (50-34T)
• Rear speeds: 12
• Compatible chain: HG 12-speed
• Chain line (mm): 44.5
• P.C.D. (mm): 110
• Spider/gear arms: 4
• Chainring combination: 50-34T, 52-36T
• Q-factor (mm): 148
• Crank arm length (mm)|160: ✔
• Crank arm length (mm)|165: ✔
• Crank arm length (mm)|170: ✔
• Crank arm length (mm)|172.5: ✔
• Crank arm length (mm)|175: ✔
• Optional chain guard|Without chain/bash guard: ✔
• HOLLOWTECH II: ✔
• HOLLOWTECH crank arm: ✔
• Compatible bottom bracket type|Outboard: ✔
• Recommended bottom bracket|Threaded (normal): SM-BBR60
• Recommended bottom bracket|Press-Fit: SM-BB72-41B
• Threaded bottom bracket shell width (mm)|68: ✔
• Threaded bottom bracket shell width (mm)|70: ✔
• Crank fixing screw included: ✔

SKU# IFCR7100CX04

*Note: Images are for representational purposes only. Actual size/packaging varies with product type/size.

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