Tire Size: 26X1 3/8 foldable bike tire, P.S.I.Range: 40-65. ETRTO:37-590. Suitable for 26X1 3/8 bike wheel rim. Please choose right size before buy Durablility: Made of high-quality rubber and nylon material, has strong durability, grip, abrasion resistance Tire Pattern: Classic tread pattern has great performance in traction grip,makes riding safe and more comfortable, very suitable for city commuter urban roads and flat road rides Note: Please unfold the tires and let the steel rim in a flat state before installation Package: 2 pack 26x1 3/8 tire and 2 Levers 1 Or 2 Pack 24/26x1 3/8 Road Bike Tires，gomas de bicicletas 24/ 26x1.3/8