Unfortunately, Pino's bottom bracket was/is a flawed design which requires a bb shell that is very precisely line bored. Of course if you are a precision machinist, as Pino was, you can simply fabricate a matching bb shell, as Pino did. Us ordinary mortals are sol.
Martin Needleman Annapolis, MD
Quoting John Thompson <JohnThompson@new.rr.com>:
> I recently acquired a vintage Pino cartridge BB unit and am
> contemplating how best to make use of it. It's an interesting beast;
> sealed bearings and a steel spindle (and aluminum bolts with 1/2"
> heads!) in a threaded aluminum cylinder, with aluminum lockrings on each
> end. The threading on the cartridge itself is standard right-hand
> 1.37x24tpi all along the cartridge, so it obviously can't be threaded
> into a standard English thread BB shell. I'm thinking that it would
> probably slip into an Italian shell (or reamed English/French shell) and
> simply use the lockrings to hold it in place. Is anyone here familiar
> with the Pino BB that can confirm this?
>
> http://www.os2.dhs.org/
>
> --
> John (john@os2.dhs.org)
> Appleton WI USA
> _______________________________________________
>
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