2 Pack 20x4 Fat Tire Bike Inner Tubes with Schrader Valve, 20 x 4.0 Premium Butyl Rubber Inner Tube for 20 inch Ebike Electric Bicycle

Perfectly Fit: Our bicycle inner tubes fit 20 inches Fat Tire Bike Ebike Electric Bicycle. We designed the tube width specially for 20x4.0 Ebike. Others tube width fit for 20x3.5 - 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 20x4" fat tire tubes

Tip: 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, you can contact us. Check the valve position to ensure that the installation direction is correct. Note: The inflatable inner tube should avoid puncture by 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.