PIVOTRAX 20 x 4.0 Fat Bike Inner Tube - Thick Heavy Duty Butyl Rubber, Schrader Valve Bicycle Tube for Electric Bikes & Fat Tire Bikes

PIVOTRAX 20 x 4.0 Fat Bike Inner Tubes are made from durable butyl rubber to provide reliable air retention and consistent performance for fat tire bikes and electric bikes. Designed for everyday riding, these inner tubes help deliver a smooth and stable ride across a variety of surfaces. Sized specifically for 20 x 4.0 inch tires, they are compatible with fat bikes, e-bikes, folding electric bikes, and cargo bikes. The standard Schrader valve allows for easy inflation with most bike pumps and air compressors.

• 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.