Originally Posted by
operator
Measure the distance from the center of where the brake mounts to your rim. If the bike originally took 27" wheels, it'll most likely fit with a tektro "medium" reach caliper 45-55mm.
It measured 55 mm, so I might have to check those out. I bought a random pair of cheap campagnolos off eBay and the bolts to secure the brakes to the frame don't even make it to the other end