Specification:
Material: Isobutylene Isoprene Rubber
Measurement: 3.00-4
Rim: 4
Width: 3
Feature: Inflatable
Valve: TR87 Angled Valve Stem

Compatible with:
This inner tube perfectly fits for Razor Scooter E300 (Versions 1-40), Pocket Rocket, Chopper(Rear).
It can be used on recreational gas and electric scooters, and also on other applications with the tire size 3.00-4, like mobility scooters, go karts, mini ATVs, hand trucks.
fit for the Razor E300 Electric Scooter (Version 1-40), Mobility Scooters, Razor Scooters, Currie Scooters, Pride Mobility Scooters,
Gas Scooters, Goped, Bladez, Go Karts, Mini ATV, Hand Trucks.
3.00-4 inner tube size can also be referred to as 10"x3", or 260x85.

Note:
It is compatible with Versions 1-35 and 36-40 of the 300 series Razor scooter models, including the Razor E300, E325, E325S (with seat), and E300S Sweet Pea (pink model).
It is not compatible with Versions 41+ which uses a 2.80/2.50-4 tube and tire.

Please check your tire size before purchase.
Please contact us with any questions regarding the product at any time,especially for the year/brand/model.
We will try our best to serve you.
Sincere regards to all buyer!