The new design of the Shimano 105 FC-R7100 2 x 12-speed HOLLOWTECH II crankset not only brings a cult-like look and aesthetics, but also ensures even better performance.
The next-generation SHIMANO 105 featuring Di2 draws on the design philosophy The Science of Speed bringing fresh momentum, comfort and control. It lets you embrace an open road, full of infinite possibilities. Go deeper into your journeys. See the world in a fresh new way. And enjoy the gift of each new day.
The new SHIMANO 105 brings Di2 shifting to a new set of riders. For those who have only experienced mechanical shifting and ergonomics, SHIMANO 105 Di2 represents a transformation of the road cycling experience. With function and technologies inherited from DURA-ACE and ULTEGRA, SHIMANO 105 is the culmination of years of research and development. With a shared Di2 platform, sophisticated ergonomics, SHIMANO 105-optimized gear combinations, and an exceptional brake system, the new SHIMANO 105 marks a new era of affordable performance.
An attractive aluminum 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 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.
Features
- Optimal balance of stiffness, strength, weight and rotational performance
- HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- Optimum power transfer Best balance for lighter weight and efficiency
- New designed crank arm
- Maintains high rigidity and reduces weight
- 4-arm construction crankset
- Iconic design
Specification
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Use: Road
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Group: 105 Di2 R7100
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Model: FC-R7100
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Gradation: 50-34T
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Q-factor: 148mm
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Threaded BB shell width: 68 / 70mm
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Gear front: 2-speed
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Gear rear: 12-speed
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Construction: Hollowtech II
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Compatible chain: CN-M7100 HG 12-speed
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PCD: 110mm
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Chain line: 44.5mm
Crank arm length
- 160mm
- 165mm
- 170mm
- 172.5mm
- 175mm
Material
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Crank arm: Aluminium Anodized
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Crank axle: Steel Plated
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Large Chainring: Aluminium Anodized / CFRP
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Small Chainring: Aluminium Anodized
Weight
Contents
- 1 x Shimano 105 FC-R7100 12-speed Crank 50/34
Bottom Bracket SM-BBR60 / Pressfit SM-BB72-41B not included!
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.
Weights are based off pre-production products at time of publication. Weights may vary in final production.
