Originally Posted by
ThermionicScott
Pushing pins out and back in is a no-no with decent 7/8-speed chains, too. Cheap chains with the protruding pin ends, sure, but it's not something I'd want to do with my SRAM PC-850/870s that have flush riveted pins. I have a perfect record of chains never pulling apart that I don't care to chance.

Ditto. All of the 7/8 speed chains I use have peened pins, which is why they come with master links. Since the SRAM PC-1 chain comes with a master link and pictures of it online appear to show peened pins, I conclude that it should be dealt with the same way.