20 x 4.0 Fat Bike Inner Tube

The Pivotrax 20×4 Inner Tube is made from a high-quality rubber compound for reliable air retention and long service life. Its reinforced design reduces air loss and improves puncture resistance, ideal for daily riding and light off-road use. Designed for 20×4 fat tire e-bikes, it features a Schrader valve for easy inflation with standard bicycle or automotive pumps. Great as a replacement or spare, offering consistent performance and durability. Packaging Options: Single Pack or 2 Pack. Select from the menu above. Price varies by option. Specifications: • Size: 20 × 4 • Valve Type: Schrader • Tire Compatibility: 20×4 fat tires • Recommended Use: Fat tire e-bikes, bicycles with 20×4 tires