The r20 dicut climbs very well and has a comfy ride on the way down the high end aluminium rims and the super stiff new aero nail head spokes let the r20 dicut cut corners with precision perfect for all those who want both the city sign sprint and climbing glory dicut technology from the high tech heat dissipating carbon rims right through to the asymmetric aluminium rims made in switzerland dicut wheels epitomize high end straight pull spokes and highly refined hubs are state of the art