Razor 200x50 tire with street tread fits several of Razor's electric scooters and the Razor Dune Buggy (as well as other common scooter brands). The tire size is 200mm x 50mm, also measures 8" x 2".
The 200x50 tire fits the following Razor scooters and ride-ons:
Razor e100 / e125 / e150 / e175 Scooter / eSpark (front wheel)
Razor e150 (V1-5) Scooters (front and rear wheel)
Razor e200/e200S Scooters (front and rear wheel)
Razor Dune Buggy (front and rear wheel)
Razor Crazy Cart
Razor ePunk bike (front and rear wheel)