Heavy Duty Tube - 2mm Thickness combo Shoulder knobs designed with a

Shoulder knobs designed with a larger contact area with the ground provide excellent cornering performance

• Size: 20 × 4

The Pivotrax 20×4 Inner Tube is made from a high-quality rubber compound for reliable air retention and long service life

• Recommended Use: Fat tire e-bikes

Heavy Duty Tube - 2mm Thickness combo Shoulder knobs designed with aPIVOTRAX Replacement Inner Tubes: Designed to fit popular motocross, enduro, pit bike, and mini bike tires in multiple sizes, including 2. 50 2. 75 10, 3. 00 12, 2. 50 2. 75 14, 90 100 14, 90 100 16, 70 100 17, 70 100 19, and other compatible applications. Premium Material: With 2mm thick synthetic rubber (butyl) that absorbs shocks, bumps and hollows won't allow to affect your riding experience and safety. Let's begin the adventure! Safety First: We