1 Pack 20″ Fat Tire Bike Tube 20 x 4.0 AV33mm Schrader Valve 20″ Ebike Bicycle Tire Tube Compatible with 20×3.50 20×3.60 20×3.70 20×3.80 20×3.90 20×4.0 Mountain Bike Fat Tire Tube

Still searching for the most durable bike inner tube? Stop looking up now and try ours. It will exceed your expectation!

Features:
Made To Last: The bicycle mtb inner tube is made with steady and durable butyl rubber. It shows amazing sealing performance, ozone resistant, anti-aging and electrical insulation merits.

Size Available: The bike tube 20×4′. It fits tire width 3.5/4.0”.

Comfort is the first: The replacement tires ensure better shock absorption for upgrade riding experience. Your safety and comfort is our top concern.

🚵‍♀️【SIZE】32mm Schrader (Regular valves). Fits all 20″ x 3.50/4.0″ tire tube
‍♀️【Installation Precautions】Please check the side of your tire for the tire size your bike uses
‍♀️【MORE DURABLE】 The bike tube is made from premium butyl rubber. It features better sealing performance, ozone resistant, anti-aging, shock absorption and 🚵 electrical insulation merits.
‍♀️【Easy To Install】Installation is quick and easy. Please follow inflation guide when airing a tire from a complete flat. Hassle free to replace your old tire 🚵‍tubes within minutes which is time saving and efficient.
🚵‍♀️【Safe Bike Tires】 The butyl rubber tire tube replacement absorbs shocks on bump road for a comfort and safe ride. It is heat resistant and stands wear and tear for daily use.