Replacement 200×50 scooter inner tube with angled valve for the electric Razor e100, e200, ePunk & Dune Buggy. Size 200×50 means that the tube is 200mm x 50mm, and in inches is 8″ x 2″. 200 x 50 Innertube Fits: – Razor e100 & e125 Electric Scooter with front inflatable tire. – Razor e150 Electric Scooter (front and rear) – Razor e200 & e200S Electric Scooter front & rear tires. – Razor ePunk front & rear tires – Razor Dune Buggy front & rear tires. Size: 200 X 50