These simple adapters use all your existing Nitro Stampede components to fit offset wheels to your rig! The Maximizer X-75's in composite or aluminum are the perfect match for your Nitro Stampede. Having the ability to run bigger tires give your Nitro Stampede the look and the great handling of a big rig. Now you have the freedom to convert from a track truck to a monster truck in minutes! One kit does all four tires.