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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.
- 148mm Q-factor
- 44.5mm chainline
- 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
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Review Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 52/36t, Hollowtech II Spindle Interface
