You will need:
. Proline Badland Tires
. Proline VTR Truggy Rims
. AKA truggy inserts
Cut of 15-16mm from each sidewall of your badland tires.

picture from Ron2 (offroad-cult)
Place the aka inserts inside your tires. Fit them over the rim. It's a tight fit. And glue your tires on the rim. And your done.