Rear Wheel Assembly for Razor E300, E300S, and E325 Version 41+ Complete rear wheel assembly for version 41 and up (V41+) of the Razor E300, E300S and E325 electric scooter. Assembly includes: tire, tube, brake, sprocket, freewheel, rim, bearings, and axle with mounting hardware. Tire size: 2.80/2.50-4