20x4.0 Fat Tire Bike Inner Tubes, 20 x 4.0 Heavy Duty Replacement Inner Tube, 20 Inch Inner Tube, for Ebike Electric Bicycle [Thickened] (2 Pack)

20x4.0 Fat Tire Bike Inner Tubes

• 【COMPATIBLE】: 20x4.0 heavy duty inner tube , 20 Inch replacement Inner Tube , Before placing your order, Please verify the tire size and ensure compatibility.
• 【THICKENED INNER TUBES】: 20 inch tires made from premium-quality butyl rubber. These inner tubes are thicker than average inner tubes in the market. Thick and uniform inner tube for maximum comfort while providing required strength, flexibility and durability.
• 【ENHANCED AIR RETENTION】: The inner tube, crafted from high-quality butyl rubber, effectively prevents air leakage, ensuring superior air retention. butyl rubber tubes offer better air permeability and can maintain pressure for extended periods without leaks.
• 【TIRE MATERIAL】: Made of high-quality butyl rubber, It offers excellent elasticity and shock absorption, As well as wear resistance, strong grip, and heat resistance.
• 【PACKAGE INCLDDES】: Product contains: 2 x Inner Tube. If you receive the inner tube, please soak it in water. If there are bubbles in the water, it means the tyre was damaged during shipping. We will reship it for you.