Mountain Bike MTB Fat Bike Inner Tube 20x3.0 for Electric Bicycle 32mm Valve

Suitable for 20x3.0 inch wide-wheeled snowmobiles, American valve, butyl rubber inner tube, high air tightness, heat resistance and aging resistance Suitable for extra wide tires, snowmobiles, ATVs, 20×3.0 inner tubes Notes on inner tube use:1. For inspection, first fill the inner tube with a small amount of gas, put it in the water to see if there are air bubbles, if there is any air leakage before installation, we will reissue it to you2. Clean the inside of the outer tire to avoid sharp objects such as sand and gravel remaining in the outer tire from piercing the inner tube3. After the new inner tube is inflated, there will be unevenness, which is a normal phenomenon. Because the inner tube rubber has different thicknesses, it can be used normally under the outer tire after loading, which is not a quality problem.4. Please inspect the goods after receiving the goods. If the inner tube leaks due to improper operation, it cannot be returned.5. In order to ensure the service life, please avoid exposure to the sun.