Heavy Duty 3mm Thick Inner Tube- Built with 3mm extra-thick butyl rubber for enhanced puncture resistance, improved durability, and better air retention compared to standard tubes.
Perfect Fit for 20 x 4.0 Fat Tires- Specifically designed for 20 x 4.0 inch tires, ideal for fat bikes, electric bikes, snow bikes, sand bikes, and off-road riding.
Schrader Valve for Easy Inflation- Equipped with a standard Schrader valve, compatible with most bike pumps and gas station air pumps for convenient inflation.
Reliable Performance on Any Terrain- Provides stable air pressure and shock absorption on pavement, gravel, snow, and sand—perfect for daily commuting or adventure riding.
Trusted Quality- We focus on dependable cycling components, delivering inner tubes riders can trust for safety, performance, and long-lasting use.
