Shimano Ultegra FC-R8100 Chainset Crank Arm Length:170mm The removable insole is made

The removable insole is made with special anatomic design conforming to the foot for optimal comfort

Material: Lightweight Warp Knit Jersey

Interior zippered pocket for organization

thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting

One-Lever One-Action

Shimano Ultegra FC-R8100 Chainset Crank Arm Length:170mm The removable insole is madeShimano Ultegra FC R8100 Chainset The Shimano Ultegra FC R8100 crankset offers the same fast and precise chainring shifting and efficient power transfer that Shimano cyclists love, but with even more crank arm length options. With lengths from 160 to 175 mm, the Ultegra crank arms now cater to smaller cyclists, triathletes, and those looking to try shorter crank arms. An integral part of Shimano's new 12 speed road line, the FC8100 crankset builds on