I took the time to polish mine. They do not clean up well at all. I tried some clear lacquer on one wheel, which did not look right.
So, I also clean mine with soap and water, and leave them alone.
07 TM 40D;ISL 450 Cummins(upgraded). Very happy w/coach
Gnarly toad to scoot around.
Geocaching, hiking, fishing, National Parks, Civil War sites.