Razor E300 Vesion 41+ Rear Wheel Complete Assembly. Factory Original Part – Razor 2.80/2.50-4 Rear Wheel Assembly for the Razor E300 Electric Scooter. Works with E300 Versions 41 and up only. Complete Wheel Assembly – 2.80/2.50-4 Tire, Inner Tube, Rim, Band Brake Assembly, Freewheel Hub, 55 Tooth Chain Sprocket, Axle, Axle Spacers, Axle Adjusters and Nuts Included. Product Description Razor E300 Vesion 41+ Rear Wheel Complete Assembly. Factory Original Razor 2.80/2.50-4 Rear Wheel Assembly for the Razor E300 Electric Scooter. Works with E300 Versions 41 and up only. Complete Wheel Assembly: 2.80/2.50-4 Tire, Inner Tube, Rim, Band Brake Assembly, Chain Sprocket, Axle, Axle Spacers and Nuts Included. **Note: Razor Electric Scooter versions can be determined by locating your bar code ID on the battery cover and/or on the bottom of the scooter frame. 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. Please be sure you identify your version before placing an order for this wheel assembly.