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. This heavy duty inner tube is compatible with the corresponding models of mountain bikes, road bikes, Cruiser bikes, electric bikes; At the same time, the increase in thickness can meet the needs of the longer driving range and load of the prevailing electric bicycles High Quality: The bike tube is made from premium butyl rubber. SIZE: 32mm Schrader (Regular valves)., Fits 20 x 3., 0 fat tire tubes (ETRTO:76/89-406) 2-PCS 20x3.0 Self-Sealing Fat Bike Tubes 20 x 3.0/3.5 AV32mm (76 Replacement Inner Tubes for 20" x 3.0 Fat Tire Bike Ebike Electric Bicycle. · Premium Material Easy Installation: Installation is quick and easy. Save time and effort, replace the old tube in a few minutes. Tip: Before installing the inner tube, please put the inner tube into the water for inspection, if there are bubbles, it means that it has been damaged, you can contact us. 20 Inch Fat Tire Tubes YUNSCM 2-PCS Heavy Duty 20x3.0 E-Bike Tubes 20" Fat Bike Scharder ETRTO 76/89-406 Tubes Note: The inflatable inner tube should avoid puncture by sharp objects.
