I'm looking at the Sutherland's Handbook (first one-1974) and there is a chart for Stronglight fixed cup markings:
ENGLISH: 2 rings, 8 sides FRENCH: 1 ring, 8 sides ITALIAN: 1 ring, 2 flats SWISS: (left thread) No rings, 8 sides
Ted E. Baer
Palo Alto, CA
>
> Bob Hufford wrote:
> > -- I have not checked the BB threading (and I want
> to be
> > *very* careful pulling these cranks)
>
> iirc, Stronglight BB fixed cups of that era had a
> code to indicate
> threading, by the number of grooves or rings
> lathe-turned in the face of
> the cup. I wanna say two concentric rings =
> English, anyone know? I
> just checked my stash, found a French fixed cup with
> one deep groove,
> but didn't find any English fixed cups to verify or
> debunk my theory. A
> brief search of the archives didn't find the answer
> either.
>
> Mark Bulgier
> Seattle WA USA
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