The Zaffiro EVO Home Trainer tire's construction emphasizes longevity over on-road performance - which is wasted on a trainer or rollers - making it one of the most effective investments possible when calculated in terms of pennies per virtual mile. The alternating slick profile and 1C compound mimic the feel of the Zaffiro's higher-end siblings, at a more approachable price point. Designed to be an indoor road training tire 26 TPI casing acts as ultra-durable sheath of long-lasting protection Available in full red color and in tube type/foldable tire system Nylon Casing Not approved for use with hookless rims Specifications TPI26ColorRedWeight255Defined ColorRedISO Width (mm)23ISO Diameter622 / Road / 29"Tire Intended UseRoadTire Diameter700cTire BeadFoldingLabeled Size700 x 23Tire TypeClincher