Schwalbe new high-end tubeless easy time trial and triathlon tire. Uncompromising for competition. With the latest Souplesse Carcass construction that integrates the Tubeless Easy technology in the most advanced way, the Pro One TT is the benchmark for tubeless time trial tires. Winner of the IRONMAN HAWAII 2018. TT stands for speed, minimal rolling resistance and minimal weight. The driving experience is still inimitably good. Pro One TT has Souplesse. With the new, high-performance ADDIX Race Compound, the driver has full control and safety on the track in any situation, in any condition.