Framebuilders - How critical is the placement of canti bosses?

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woof
09-23-08, 08:20 PM
Just how important iis the placement of canti bosses? Do the adjustability of the brakes alow for some lee-way? How far from the axel should they be placed for a 700c wheel? I'm just practicing Tig welding with some old steel junkyard frames.

unterhausen
09-23-08, 09:54 PM
They aren't that critical, at least with the brakes I have. I would get the brakes and a wheel and check it out.
builtbym
09-24-08, 02:30 PM
the distance between the studs is just as important as distance from the axle. measured center to center.

NoReg
09-24-08, 06:06 PM
Newer designs like the Paul don't have much vertical adjustment, so it pays to get the height right, and the centers. It is best to have the stuff you are building for before you build, though most people do it in reverse order.
DannoXYZ
09-26-08, 10:56 AM
And also make sure the posts are parallel to each other so that the rotational plane is even.