HOLLOWTECH II Crankset 2x12 speed
An integral part of Shimano's new 12-speed road lineup, the FC-R8100 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
