The Shimano 105 FC-R7100 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
- HOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting
- Hollow arms for lightweight, rigidity, and durability
- 44.5mm chainline
- 148mm Q-factor
- Compatible with HG 12-speed chain
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Number of Chainrings: Double
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Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
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Spindle Interface Type: Shimano Hollowtech II
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Chainring BCD: 110 Shimano Asymmetric
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Color: Black
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Crank Intended Use: Road
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Crank Length (mm): 165
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Pedal Spindle: 9/16"
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Rings: 50/34
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Drivetrain Speeds: 12
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Defined Color: Black
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BB Included: No
