Originally Posted by
dabac
What sort of adapter are you talking about?
A switch to 700C wheels, and then something-or-other to get the brakes to line up again?
A switch to 700C wheels worked just fine for my '82 Trek. The brakes turned out to be a non-issue, although I still upgraded to some dual-pivot calipers. It could be worth looking into, if the OP isn't trying to keep the bike stock.