This tire is an 8"(200x50) SOLID Replacement tire for all Izip i300s, Schwinn S300s, Mongoose M250s, GT250s, & Schwinn S250s. This is the one you want, and the one you need!! This tire does not require an innertube. All 8" Currie Scooters can use this tire. TT-268 Home | New Arrivals | Nintendo Wii | Playstation 3 | Electric Scooters | Scooter Parts | Electric Bikes | Schwinn Scooters | Ezip Scooters | Xbox 360 | Nintendo 3DS | Tablets | Ipad2 | Tablets | Shipping | FAQ | About Us | Scooter Laws | Warranty & Returns | Show Order