It will work fine and will not harm the surface. I have used it on Aluminum wheels before and as long as it is not shit underneath already they should come out fine. But odds are, if they are painted, thire is shit aluminum underneath.
It will work fine and will not harm the surface. I have used it on Aluminum wheels before and as long as it is not shit underneath already they should come out fine. But odds are, if they are painted, thire is shit aluminum underneath.