The hex`s are pretty standard on most nitro rc cars of this size so if you find a nice wheel that you like that has a hex it will fit. as long as you find rims that fits 1:10 cars they should be ok, there are some different types, some wider than others so i would recommend you to take a trip to the lhs to see if you find anything that fits. then you can just order them from somewhere else to save some cash.