An integral part of the Shimano Ultegra 12-speed road lineup, the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting, the Ultegra crank is now offered in a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements.
- 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
- 148mm Q-factor
- 44.5mm chainline
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Number of Chainrings: Double
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Color: Black
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Pedal Spindle: 9/16"
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Crank Length (mm): 170
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Crank Intended Use: Road
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Chainline/Hub Compatibility: 130 Hubs
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Rings: 50/34
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Spindle Interface Type: Shimano Hollowtech II
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Drivetrain Speeds: 12
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Defined Color: Black
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Chainring BCD: 110 Shimano Asymmetric
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BB Included: No