Shimano Ultegra FC-R8100 Crankset - 160mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Tools Other WZ3631 CR1426

WZ3631 CR1426

Manufacturer Part Number: W015-0087

- Fits 16-notch bottom bracket tool fittings with a major diameter of 41-42mm and a minor diameter of 39mm

mountain bikes

714143-Q2-L15D05

Shimano Ultegra FC-R8100 Crankset - 160mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Tools Other WZ3631 CR1426An integral part of the Shimano Ultegra 12 speed road lineup, the FC R8100 crankset 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 a wide variety of lengths, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanic requirements. Optimal balance of stiffness, strength, weight and