Replacement 200x50 Scooter Inner Tube for the Electric Razor e100, e200, ePunk and Dune Buggy For electric Scooters Type 200*50 is fit for which is the same as it. Name: 200x50 Inner Tube For electric Scooters Materal: Butyl rubber Width: 5cm Size: 18 cm (diameter)9 cmInside diameter