I think you are talking about the pins, that you drill out your "nuts", and the pins have a detent ball, that holds the bags on, instead of the bolts?
They are TBR Quick Release pins. Here's a link to a thread on them, and how to make your own:
http://www.valkyrieforum.com/bbs/index.php/topic,14601.0.htmlI remember several other posts, giving more info, size, length, etc. You can do a search for tbr, and probably find it. The pins look like this:

I am still seriously considering some, for mine...
If these aren't what you are talking about,
never mind...EDIT: OK, curiosity got the best of me - I found the thread I was talking about, it's here:
http://www.valkyrieforum.com/bbs/index.php/topic,865.0.html 