【Wide Compatibility】This 12.5x2.25/2.75 inner tube fits most pocket bikes gas scooters electric scooters mini bikes mobility scooters with 12-inch to 12.5-inch tires that are between 1.75 to 2.25 inches wide. 【Replacement Inner Tubes】Compatible with Bella Betty Bistro Blossom Chrissy Daisy Hannah Montana Kiki Sweet Pea Vapor Razor MX350 MX400 electric scooter Pocket Mod scooters and Currie Schwinn GT IZIP eZip Razor MX125 Dirt Rocket scooters and more. 【Heavy Duty Inner Tubes】This 12 1/2 x 2 1/4 inner tube is made of thickened butyl rubber material, which has good air tightness, is not easy to explode and has a longer service life. 【Shock Absorption】This 12.5 x 2.25 inner tubes has thick butyl rubber that can also absorb shock will prevent you from feeling bumps and give you a more comfortable riding experience under different road conditions. 【Bent Valve Stem】With TR87 bent valve stem, it is more convenient to inflate the inner tube. The thickened valve seat is sturdy and durable, has good sealing performance and is not easy to leak. 12.5''x2.25 Inner Tubes with Angled Valve 12 1/2 x2 1/4 Kid Bike Tubes Compatible with Strollers and 12.5 X 1.75/2.25" Kid Bikes Like Schwinn, Razor Pocket, Electric Scooters