Signswise TS-H85063 Wheel Axle Hub Extender Set Black for HPI Baja 5B Rovan KM Truck,black color Brand :Signswise Push the wheels further away from chassis for a wider, more stable stance. Widen your Baja Buggy or Truck Wheels for More Stability, Control and Less Roll Over. Model: TS-H85063 Only fit for the HPI Baja 5B