AlveyTech Rear Wheel Assembly for the Razor MX350 (Versions 23 and Up) and MX400 (Versions 19 and Up)

Rear wheel assembly for the Razor MX350, versions 23 and subsequent, and the Razor MX400, versions 19 and subsequent. Includes rim, tire, tube, brake assembly, sprocket, axle, axle spacers, bearings, and nuts. Note: Model versions can be determined based on the product ID code on your Razor product. The product ID code can be found on the battery cover and/or on the bottom of the frame. The 7th and 8th numbers in your product ID code are the version number of your Razor product (e.g. 01 = Version 1, 02 = Version 2, etc.). Tire Size: 12-1/2 x 2.75 Sprocket: #25 chain, 80 tooth Compatibility: Compatibility: Razor MX350 Dirt Rocket Razor MX400 Dirt Rocket