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Shimano Ultegra FC-R8100 12-speed Crankset



An integral part of Shimano's new 12-speed road lineup, the Shimano FC-8100 12-speed crank 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 lengths from 160 to 175mm, 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.
  • 52-36 and 50-34 chainring options. 160, 165, 170, 172.5, and 175mm crank arm lengths. .

PLEASE NOTE: GROUP SALES ONLY. Because of limited availability of this item we cannot offer these for individual sale.

Model Number
Item Code
Shimano Ultegra FC-R8100 12-speed Crankset