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21% elastane
are arranged to match the longitudinal flow of the material
Compared with the traditional rubber inner tube the rolling resistance is reduced by 20%
The shoes’ outsole is comfortably wide in the metatarsal area and is made from a composite of carbon fiber and polyamide in order to balance stiffness and comfort while achieving greater pedaling efficiency
Carogna solves these problems
Shimano Ultegra R8100 Crankset Crankset Option:172.5mm / 52-36T 21% elastaneULTEGRA'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
