Schwalbe X-One Bite Tire - 700 x 33, Tubeless, Folding, Black, Evolution LineThe profile and OneStar rubber compound make the Schwalbe X One one of the fastest cross tires. To make it the absolute high flyer, mount it without a tube on a tubeless compatible wheel. In combination with the right wheel you can run tubeless tires for cyclo cross with extremely low air pressures without fear of "Burping" (unwanted air leakage). Product Specifics Color: Black Defined Color: Black Flat Protection: Tread ISO Diameter: 622 Road 29" ISO