Carefully blending aerodynamics and light weight, Mavic's Cosmic Pro Carbon Exalith delivers uncompromising road performance for demanding athletes. Its 52mm-deep carbon lower bridge defies wind drag, and mates with a Maxtal aluminum rim for reliable clincher engagement. Mavic’s Exalith 2 brake track technology enhances durability and braking performance, while inter-spoke rim milling drops the weight without sacrificing rigidity or strength. QRM+ hubs are built with tight tolerances for outstanding longevity and seemingly frictionless bearings that keep you rolling smooth and fast, maintenance-free. Your splits will drop even further thanks to the perfectly-mated front and rear-specific Yksion Pro tires, included with the wheels and designed to deliver durability and low rolling resistance while maximizing aerodynamics and tenaciously gripping corners. These wheels are available with either a Shimano/SRAM-compatible or Campagnolo-compatible freehub body and your choice of 700C x 23 or 25mm tires.