Mavic Cosmic Pro Carbon Ust, Wheel, Front, 700C / 622, Holes: 18, Qr, 100Mm, Rim* The allure of carbon combined with proven Cosmic Pro performance, all at a price that can't be beat* Lightweight, aero and tubeless UST carbon rim is built for speed* 40mm NACA inspired rim shape minimizes drag for added speed* The system comes with Yksion Pro UST tires that provide a simple, hassle free tubeless road setup with high rolling efficiency and maximum grip in all weather.