Originally Posted by
realsteel
I think it's good to be reminded of how to deal with rust now and again: the mortal enemy of the vintage bike.
There are several Vactan-like products which use the rust to form a protective coating instead of just removing it. Loctite rust converter is one example; they all work in roughly the same way.
[MENTION=304131]realsteel[/MENTION] and [MENTION=305894]oddjob2[/MENTION]: better say this before the mods close this down (I've asked them to shut it down as duplicative),

. Thanks for the excellent advice from both of you. I'm getting to build the bike up and obviously wanted to deal with the rust before installing the headset.