Razor E200 Rear Wheel Assembly (V36+) - Factory Original Razor Scooter Replacement 200x50 Rear Wheel - E200S / E225 - Part W13112430048 Compatible with Razor E200S, Razor E225S, Razor E200 V36+ ONLY Tire Size: 200x50 55 Tooth Sprocket Includes Axle, Brake Uses #25 Chain NOTE: Scooter versions can be determined by locating your bar code ID on the bottom of the scooter. The 7th and 8th digit in the series will tell you the version of your product: 01=version 1; 02=version 2; 09=version 9, and so on.