Size: 20×4.0 inch. Fits 20"x4.0/4.5" Fat tire tubes.Valve length/type: 32 mm Schrader valve with cover.
High Quality: The bike tube is made from premium butyl rubber. It has the advantages of excellent puncture resistance, good sealing performance, ozone resistance, aging resistance, shock absorption, and electrical insulation.
Easy Installation: Our inner tube kit has two tire levers that allow for quick inflation and deflation, Ideal as a daily spare replacement, making tire maintenance a breeze for riders of all skill levels.
Note: When changing a bicycle inner tube, be sure to add a little air before installing it. This gives it form so it doesn't get twisted or bunch up which may cause a pinch flat. Inspect for an even bead of the tire to the rim on both sides.
Comfortable Riding Experience: Our 20in x 4.0 inner tube is designed to improve overall ride quality by providing better shock absorption and tire stability, ensuring a smoother and more enjoyable journey on your bike.
