Get some clear laquer made up with a hint of blue paint added, will look ace! Think its about £10 a can from halfords if you get it made up. Obviously, polish it up before you apply to get rid of any aluminium Oxide
Mine used to be off centered loads, with a 127mm bb Didnt make any clonking noises an rode fine. only skipped like twice in the time i had it (about a year an a half!)