On 6 May 2004 at 9:49, BobHoveyGa@aol.com wrote:
>
> In a message dated 5/6/04 7:23:40 AM, classicrendezvous-request@bikelist.org
> writes:
>
>
>
> << Now that Cirque is over, we return to more mundane concerns. Like
> removing
> a stuck Stronglight BB. As posted to the list, I had struggled for weeks
> trying to remove a Stronglight fixed cup in a mid/late 70's Peugeot PY-10
> purchased from a list member. As suggested by list members, bought a propne
> torch, and heated the cup. This was successful in loosening the cup. But
> it turned out the cup was - believe it or not - SWISS. Never seen Swiss
> thread before in a top model Peugeot. The cup has two flats with one ring,
> which Sutherlands says is Italian - WRONG!! The cup is marked 35x1 but no
> indication that it is a Swiss LH thread as opposed to a French RH thread.
> There must have been locktite applied, as no amount of wrench force worked
> without heating. So new data point - even top model Peugeots can possibly
> have Swiss threaded BB's.
>
> Regards,
>
> Jerry Moos
> Houston, TX
> >>
>
>
> Jerry;
>
> Delighted too hear that you finally got the sucker off. And thanks for the
> info about the Swiss threads... that is certainly an interesting bit of info.
> What is the overall diameter of the swiss BB, is it larger than the French?
> Do you suppose it is possible that someone rethreaded it to fix a stripped
> or ovalized BB?
>
Swiss is 35mm x 1mm, the same as French. Only difference, Swiss fixed cups are left hand threaded. A stripped French thread can rethreaded Italian (36mm x 24tpi) successfully. My PX10 has had this fix.
If your frame is Swiss threaded, chances are it's original.
John Everett - Aurora, Illinois
jeverett3@earthlink.net (John V. Everett)