My temptation would be to find a structurally strong cartridge bottom bracket with deep threaded cups like an Edco and then use a strong Locktite to install. Not the usual red or blue stuff. Given it is a chromed frame I don't think heat would hurt the finish to break the Locktite should it need to be removed.
Joe Bender-Zanoni Great Notch, NJ
Carb7008@cs.com wrote:
> Well, I spoke too soon on good shape of Vent Noir. I see what looks like a
> crack across the entire width of bottom of BB shell. Question, can this be
> easily (read cheaply) fixed good enough for occasional riding or is bike toast?
> I would guess the best fix is to replace the shell, but what about just
> brazing the crack on inside and outside...would it hold for a while?
>
> Jack Romans
> Sacramento, CAlif