The Razor replacement 3.00-4 inner tube is for the Razor e300/Pocket Rocket/Mini Chopper. More specifically, the 3.00-4 Inner Tube fits ONLY these Razor products/wheels:
* Razor e300, e325 and e300 S Electric Scooter (Version 1+) - front and rear wheels
Razor Pocket Rocket (Version 1+) - front and rear wheels
Razor Mini Chopper (Version 1+) - REAR wheel ONLY - not Compatible with the Razor Rebellion Chopper.