On Fri, 11 Oct 2013 06:00:03 -0700, Ivor Mac wrote:

I only need a very small amount of paint, as I'm not spraying the
complete wheel

For the sake of the amount of paint required to do the entire wheel, it
seems a bit daft not to.

B'sides, they're for winter rims, so will presumably spend three quarters
of the time filthy anyway.

Just grab a rattlecan of something approximating right, and blast away.
Or don't bother at all.