2-Pack 20×4 Fat Tire Bike Tubes: 20" Bicycle Inner Tube with Schrader Valve Premium Butyl Rubber Tubes with 2 Tire Levers for E-Bike Electric Bicycle MTB Fat Beach Bikes

["[Product Size]：Upgrade your bikes performance with our 2-Pack 20×4.0 Fat Tire Bike Tubes designed to fit 20-inch wheels and equipped with a 32mm Schrader Valve for easy inflation." [High-Quality Materials]: Made from premium butyl rubber these tubes ensure good air retention preventing air leakage and providing a reliable and enjoyable ride. [Better Performance]: The high butyl rubber content offers better shock absorption impact resistance and puncture resistance resulting in a smooth and comfortable ride on any terrain. [Easy Installation]: Each package includes two 20×4.0 inner tubes and two tire levers for convenient installation making it quick and hassle-free to replace your old tubes. [Good Air Retention]: The rubber-coated valve stem comes with an enhanced seat seal that prevents the entry of sand and dust ensuring a longer service life for your valves and maintaining optimal performance.]