In a message dated 7/26/2 8:25:39 AM, mark@bulgier.net writes:
>Steve, it sounds like you are talking about canti brakes, not centerpulls,
>am I right? I agree that canti studs are not good for making centerpull
>studs out of - the offset is wrong, the spring hole is in the wrong place,
>and the larger diameter cylinder part, that the spring wraps around, is
>too small a diameter. Can be made to work though if you don't have a lathe.
>Steve's advice to braze the two pieces of the boss together is right on
>- I have seen a few that weren't brazed there that were loose and dangerous.
>I have some "factory" centerpull braze-ons that fit Mafac perfectly, but
>I'm pretty sure they're Japanese. Was there a Japanese centerpull that had
>the same dimensions, spring hole location and all, as Mafac? Or were these
>made in Japan to fit Mafac? (I've seen enough French and Asian framebuilding
bits that I'd be very surprised to learn these braze-ons are French).
>Maybe these are the parts that were used on that Centurion model - was it
"Pro-Tour"? - that had the brazed-on centerpulls. Dia-Compes I believe.
>
They were Dia Compe and they fitevery center pull that I've tried them
on-Mafac, Weinman, Dia compe and Universal. Mafac did make pivots for their
brakes.
Phil Brown
In temporarily cool NoHo, Ca