A guy at my track runs slash offset wheels on his SCT410.3 so I bought some primes already mounted on Slash 4x4 offset wheels (proline renegades). The wheels rub in the back pretty good, is there a certain hub offset I need to be running for these to avoid that? It seems like most adapters I can find are for 17mm hexes which these are not. Did I waste my money on these wheels? Thanks in advance.