Originally Posted by
HillRider
A 6 mm mis-match will require a lot of force to make the rear wheel fit. You often hear that a 130 mm hub can be forced into a 126 mm spaced frame but that's only 4 mm and still a bit of a fight. I'd cold set the frame.
Yes, it will require a little bit extra to get the wheel in - no big deal. But it's not something one does everyday - just when you get a flat for most people. So if the OP doesn't feel confident to cold set, or want to pay the $$, leaving it as-is is another option.