* Tubeless Easy High-End Time Trial and Triathlon Tire. * Uncompromisingly for competition. * With the latest Souplesse Carcass construction that integrates Tubeless Easy technology in the most progressive way, the Pro One TT is the benchmark for tubeless time trial tires. * The riding characteristic is nevertheless inimitably good. Pro One TT has Souplesse. * With the new, powerful ADDIX Race compound, the rider has full control and safety on the track in every situation, in all conditions.* Winner of the IRONMAN HAWAII 2018. TT stands for speed, lowest rolling resistance and minimum weight.