Fulcrum racing zero carbon wheelsetracing zero goes carbon for the first time in 2015 and does it in its own way this is the first wheel on the market that combines a carbon rim and aluminum spokes this new hybrid technology will combine the legendary stiffness of the aluminum racing zero with a much better reactivity thanks to the carbon rim that reduces the peripheral weight and the wheel inertiaa really light wheel with superior handling and optimal power transfer this means a greater ef