Price: $18.70
(as of Sep 06, 2026 21:01:03 UTC – Details)

Product description

Logo Blue

2 Pack Inner Tubes for 20×4 Fat Tire Bike/ Ebike

20x4 Fat Tire Bike Inner Tubes

Fit 20×4.0″ Fat Tire Bike/ Ebike Electric Bicycle

20X4.0 fat tire tube

20x4 Bike

Perfectly Fit: Our bicycle inner tubes fit 20 inches Fat Tire Bike Ebike Electric Bicycle. We designed the tube width specially for 20×4.0 Ebike. Others tube width fit for 20×3.5 – 4.0 bike. It is easily popped to use the tube with not enough width. The width of our inner tubes is more suitable and durable.
Valve type & length: Schrader Valve Stem for easy inflation (Regular valves); 35mm (1.38 inches) with valve core cap. Wheel Size: 20 inches
Durable: Our Bicycle tubes are made of Premium butyl rubber, so it’ll durable than average bicycle inner tubes.
What You Get: 2 Pack 20×4″ fat tire tubes
Tips: Before installing the inner tube, inflate a little air into the tube. Then put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged during shipping, you could contact us. Inspect the inside of the tire and rim for any debris sharp objects.
How To Choose Your Right Size: Before ordering, please check diameter and width 20X4.0 on your bike tire wall to make sure you get the right size. Or you could check your existing tube size to ensure our tube is right.