Features： 1、Versatile Compatibility: Suitable for most gas and electric scooters with 12.5 inch tires ranging from 2.5 to 3.0 inches wide, replacement for Razor Dirt Rocket MX350 MX400, electric bikes, mini off road vehicles, and mini dirt bikes. 2、Premium Construction: Made from thick rubber, the 12.5 x 2.5/2.75 inner tubes are designed to absorb impact, provide elastic damping and resist aging. Featuring heavy duty durability, offer superior safety with high puncture resistance and secure weld seams. 3、Heavy Duty Rubber: These inner tubes are crafted from rubber and come with valve stems, ensuring excellent air retention and sealing capabilities, enhancing comfort during your rides. 4、Enhanced Performance: Rubber inner tubes offer superior air retention, tear resistance, and shock absorption performance, protecting you from punctures on rough terrain. 5、Perfect Replacement: Replacement inner tube is prepared for any potential flat tires. Professional manufacturing, high performance, strong reliability. Specification： Item Type: Inner Tube Material: Rubber Size: 12.5 x 2.5/2.75inch Application: Replacement inner tube, be prepared for any potential flat tires Fitment: Replacement for Razor Pocket Mod (for Bella, for Betty, for Bistro, for Daisy, for Hannah, for Sweet Pea), Replacement for Currie,?Replacement for?Schwinn GT, electric bicycles, mini ATV, mini dirt bikes, etc. Package List： 2 x 12.5 x 2.5/2.75 Inner Tubes