Thanks Jason. The Sheldon Brown bottom bracket page lists a 115.5mm
shimano un73 and 2mm spacer for the Sugino AT. Is that really going to
work?

http://www.sheldonbrown.com/bbsize.html

That gives a 42.5 chainline.

I wish I knew more about this stuff but I'm learning.

On Dec 10, 11:06 am, Jason Hartman <rjasonhart...@gmail.com> wrote:
> On Thu, Dec 10, 2009 at 9:54 AM, Jon Grant <jgr...@papagrant.com> wrote:
> >  Cycletex asked:
>
> > What spindle length are you looking for and are you going by the Sheldon
> > Brown suggestions for the AT?
>
> > -------
>
> > I put a Sugino AT on an old Schwinn World Voyageur last summer. The longest
> > BB I could find was 122.5, and I had to dent the chainstay to clear the
> > granny ring. (A neighbor walked over and said, “Wow. I’ve seen you do a lot
> > of things to bikes, but I’ve never seen you use a hammer. Bad day?”)
>
> > A 125 or maybe even a 127 would’ve worked better, I think.
>
> Since this question comes up from time to time, I just measured the OE
> bottom bracket for Sugino AT triple cranks.
> It's 125mm with a 9mm driveside offset.
>
> Jay Hartman

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