Shimano Ultegra R8100 12V 36-52 172mm Cranks

An integral part of Shimano's new road 12-speed lineup, the FC8100 crank builds on Shimano's shifting and drivetrain efficiency. With the application of improvements to achieve a perfect 12-speed gearing, the ULTEGRA crank is now offered from 160 to 175mm, with improved performance and fit for smaller riders, triathletes and runners with specific biomechanical requirements.

・Optimal balance of stiffness, strength, weight, and rotational performance.

・HOLLOWGLIDE structure reduces weight but maintains strength for better power transfer and faster, more precise front shifting

・Options of 52-36 and 50-34 chainrings and 160, 165, 170, 172.5 and 175mm crank arm lengths.