This 8" Innertube is for all Schwinn 8" wheel scooters, Mongoose M250s, Schwinn S250s, and GT250s. The tube is currently in stock. It is a thorn resistant tube with an angled valve stem, which is the best for your scooter. It is for an 8" tire and comes direct from Currie Tech! TT-258-1 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