2-Pcs 20x4.0 Fat Tire Tube 20x3.5/4.0 Inner Tube with Schrader Valve Reinforced Thickness

Features

• This inner tube model is 20x4.0 fat tire tube (20x3.5/4.0 inner tube).
• This inner tube is suitable for bike tube, ensure multi-functional use. It maintains optimal pressure levels effectively across any terrain or conditions, enhancing overall riding comfort.‌
• This inner tube are made of high-quality thickened rubber, which makes the tires have better load resistance, longer service life.
• Thickened design improved impact resistance and shock absorption to elevate overall ride quality, ensuring a smoother and more enjoyable journey.
• Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, Please contact customer service to replace it.