Re: [CR]Removing a Stronglight BB

(Example: Component Manufacturers:Campagnolo)

From: "John Everett" <>
Date: Thu, 06 May 2004 09:12:10 -0500
Subject: Re: [CR]Removing a Stronglight BB
In-reply-to: <>
Content-description: Mail message body

On 6 May 2004 at 9:49, wrote:
> In a message dated 5/6/04 7:23:40 AM,
> 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 (John V. Everett)