Paint
Maybe too late for you but i had a wheel repaired and painted by 4th Dimension, spot on job they took tyre and discs off and turned round in 2 days. their in shepprton 5 mins from feltham cant remember tel no now but was reccomended by Ducati London South try them for their no 0208 689 6998.
I looked at a powder coaters stand at ally pally the colour looked so dead no shine at all looked cheap and orrible.