Originally Posted by SHFT
Looks like they used an abrasive wheel acid that ate up your wheels finish ... if its gunky try to erase it off with a magic eraser or some tar remover spray GL.
The wheel finish seems ok, as I have been able to remove 90% of the white stuff just by rubbing. You can see the residue on the microfiber towel. I like the magic eraser idea. I might try that after I use Greg's product suggestions in his response.