2-PCS 20×4.0 Fat E-Bike Tubes 20″ x3.5″ /4.0″ Compatible with 20 x 3.5 20×4 AV32mm Schrader Valve 20 Inch Inner Tubes for Road/Mountain Bike Bicycle Inner Tubes

Price: $18.99 - $17.98
(as of Feb 28, 2025 09:04:36 UTC – Details)

Package Contents:20×3.5/4.0 AV32mm Schrader Valve bike tube(x2)
INNER TUBE SIZE: AV32mm Schrader(America) Valve 20×3.5/4.0″ thick inner tubes. Tire width 3.5″ to 4.0″. Designed for 20×3.5 20×3.6 20×3.7 20×3.8 20×3.9 20×4.0 fat tire tube, the inner tube fits perfectly to improve the overall performance of your thick tire bikes, ensuring a smooth and comfortable ride, suitable for electric bikes, mountain bikes, gravel bikes, city bikes, etc.
QUALITY 20″x3.5″/4.0″ BIKE TUBE: Made of high-quality butyl rubber composite material, with good air tightness, heat resistance, durability.
SMOOTH RIDING EXPERIENCE: Our 20″x3.5″/4.0″ tire inner tubes have a sturdy construction and excellent shock absorption for smooth and comfortable riding on all surfaces, ensuring your ride is smoother and more enjoyable.
EASY LNSTALLATION: Fast and easy installation allows you to spend more time riding and less time changing inner tubes.
CUSTOMER SUPPORT: Please feel confident about your purchase, our team is ready to assist you with any questions or concerns, please feel free to ask us for help.