Ultegra FC-R8000 Crankset Tooth Count:53-39 -Tough 7mm boron steel axle

-Tough 7mm boron steel axle

Strong enough to stand up to chlorine and sunlight but soft and smooth to the touch

Interchangeable nose bridge

With moisture-wicking properties

Integrated cage increases control when not clipped in and protects binding mechanism from impacts

Ultegra FC-R8000 Crankset Tooth Count:53-39 -Tough 7mm boron steel axleShimano's Ultegra FC R8000 Crankset represents true trickle down from Shimano's flagship Dura Ace group not only visually, but in the technological features that make both cranksets light, stiff, and shift with precision. The new, aggressively angular lines increase stiffness, providing excellent power transfer. The chainrings and bolts were also redesigned to provide better chainstay clearance for shorter rear end bikes or road disc bikes with wider