Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Axle Pegs Fully-checked damper design allowing for

Fully-checked damper design allowing for a Low Speed Compression adjustment and optimal traction control tuning

123431-Q0-L

162555-Q0-L

Wheel type cable guide provides super light shifting action and clean cable routing

Shimano Ultegra FC-R8100 Crankset - 170mm, 12-Speed, 50/34t, Hollowtech II Spindle Interface, Black Axle Pegs Fully-checked damper design allowing forAn 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