The Cosmic Pro Carbon has always been favored for fast and flat racing, but recent improvements have enhanced the versatility of this wheel. It now delivers incredible performance at an unbeatable price. Designed with Mavic UST technology, the Cosmic Pro Carbon UST offers all the benefits of tubelessness, including lower rolling resistance, smoother ride quality and lower apartment risk. The wheels are manufactured using Mavic's exclusive iTavMax process, which not only minimizes weight, but also improves braking performance. The 40mm deep rims are NACA compliant, guarantee low drag and excellent crosswind stability. In addition, their lighter weight reduces their inertia for optimal explosive acceleration and upward efficiency. The Cosmic Pro Carbon UST is complemented by 25mm Yksion Pro UST tires for maximum ride efficiency, optimum grip and comfortable driving. Key Features With UST Road Tubeless, no tube means no friction. The rolling resistance and speeds are therefore lower .UST Road Tubeless allows you to drive with lower tire pressure for smoother ride quality and reduced risk of punctures. Mazic's patented UST system offers a perfect union between the tire and the wheel. The aerodynamically shaped rims have a NACA profile to reduce drag and improve crosswind stability. The laser process removes the resin from the brake track while leaving the carbon intact, producing predictable braking performance in dry weather conditions. wet