Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Headset Service Parts UPC: 811551026360

UPC: 811551026360

Fits SRAM and Shimano style cassette bodies

After the arm comes off

178424-Q0-L

UPC: 888571014264

Shimano Ultegra FC-R8100 Crankset - 172.5mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Headset Service Parts UPC: 811551026360An 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