The steering bolt with wedge for the Razor Crazy Cart (Versions 1+) is that essential piece of Razor hardware that locks the steering wheel into place providing a safe and secure grip for the rider. 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.) Specifications Wedge diameter: 1" Bolt diameter: 5/16" Bolt length: 4-1/2" Compatibility Razor Crazy Cart