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.

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.
• 52-36 and 50-34 chainring options. 160, 165, 170, 172.5, and 175mm crank arm lengths. .