it would be possable if you could find the right old parts. with ebay it may be possable but with the local bike shops.....no way!

**rant mode on**
took new to me 1986 miyata myn bike in to see if they could confirm how to adjust the old dia compe canti brakes as I had never done it on anything that old. apparently neither had thay. one comment was"I have only worked on v-brakes...nothing like that" idiots
**rant mode off**

besides,im trying to think simple on this one! cool idea,just not right for me