Back brakes have a much shorter bolt than front brakes. I'm guessing you found a back brake in your shed.
(FWIW When I built up a bike for a friend with that fork I used a Tektro R312S, which is as generic a road bike short reach calliper brake as there is)
Back brakes have a much shorter bolt than front brakes. I'm guessing you found a back brake in your shed.
(FWIW When I built up a bike for a friend with that fork I used a Tektro R312S, which is as generic a road bike short reach calliper brake as there is)