I think retapping 26tpi to 24tpi is basically creating a mess. Thre
e solutions. 1) Stay cottered. The cottered cranks stink thing is st
upid. 2) Phil Wood rings to use a Phil Wood BB. 3) Edco eccentric BB
.Joe Bender-Zanoni Great Notch, NJ----- Original Message -----From:
Mark Stonich Date: Thursday, June 8, 2006 9:23 pmSubject: Re:
[CR]Phase II - Raleigh funTo: Tromper Cc: classic > At 6/8/2
006 05:27 PM -0700, Tromper wrote:> >The question I have is pr
etty simple. Is there an inexpensive > way to put a> >different
(cotterless) bottom bracket into the 71mm shell?> > If it's 24t
pi threads, all you have to do is use a 73mm BB with > a 2mm > fix
ed cup/freewheel spacer under the fixed cup.> > If it's the drea
ded 26tpi then just find a local framebuilder to > retap to 24tpi.
If you are really persuasive, you might get him > to > face it dow
n to 68mm. The last time I had this done the builder > owed > me
a favor so I'm at 68mm. Some people claim you would have to > fill
> the old threads with silver or brass before retapping. Modern >
BBs > have so many threads of engagement that I don't see a need fo
r > this. Gotta be stronger than aluminum.> > >A secondary
question comes up, since I live the the hilly Puget > Sound area,
> >would be appropriate size to make this a triple vs. the double
> that it's> >standard with?> > Spindle length for a tripl
e varies widely from crank to > crank. Anywhere from 133mm to 110mm
.> > > Mark Stonich;> Minneapolis Minnesota> http://m
nhpva.org> http://bikesmithdesign.com> > > > > >
> > ______________________
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