Hi Tom, I have measured it as being 37.60mm +/- 0.05mm across flats. Hope that this helps. Kind regards, Peter Rogers
Barrie, Ontario
> Good morning Francophiles. Am I correct in my awkward measuring that the
> older octagonal Stronglight fixed bottom bracket cups are 38mm across the
> flats. I am planning on ordering a few tools and the only cup I have is
> mounted on a bike and is difficult to measure. Thanks, Tom Hansen Los
> Angeles CA, USA