PRO ONE TT: Tubeless Easy High-End Time Trial and Triathlon Tire. 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. Winner of the IRONMAN HAWAII 2018. The riding characteristic is nevertheless inimitably good. With the powerful ADDIX Race compound, the rider has full control and safety on the track in every situation, in all conditions. ADDIX SPEED: is the compound for XC race specialists. It catapults our XC tires into a new performance dimension. WARRANTY: policy on all Schwalbe product purchased within North America. Our warranty term is 3 years following the original purchase date of the product, or 5 years from its production date - whichever occurs first.