Shimano FC-R8100 Front Crankset Ultegra 52-36 172.5mm 12-Speed Tools Race Top Tube Bag: How

Race Top Tube Bag: How To

5 / 3mm Allen wrench set

KMC - Z1eHX NARROW (AF01C)

3C MaxxGrip rubber compound available

Shimano FC-R8100 Front Crankset Ultegra 52-36 172.5mm 12-Speed Tools Race Top Tube Bag: HowULTEGRA's new FC R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, ULTEGRA cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12 speed road lineup, the FC R8100 crank builds upon Shimano's legendary front