High-end Tube Type road bike tire. Combines souplesse , speed and control at the highest level. The best road bike tire Schwalbe has ever developed. With the latest Souplesse Carcass construction and the high-tech V-Guard protection fabric, this Pro One is the benchmark for tube type road bike tires. For racers who prefer to ride with tubes, but still want the best riding characteristics and souplesse , The use of the new ADDIX Race Compound is a promise for maximum speed and control – on the fastest descents, in extreme cornering, in all conditions. Schwalbe Pro One. Creating Souplesse. ***The Tube Type tire is specially made for use with a tube and cannot be used tubeless.