Upgrade or replace your fat tire e-bike's inner tube with the Kenda 20x4-1/4 Inner Tube. Designed for durability and a smooth ride, this premium inner tube is compatible with 20x4, 20x4.25, 20x4.5, and 20x5 tires, ensuring a secure fit for a variety of fat tire setups.

works for super 73 electric bike and other fat tire 20 inch bike and ebike.