Re: [CR]Now: Oversize BB Cups Was:Suntour Superbe front der

(Example: Framebuilding:Restoration)

To: mbikealive@earthlink.net
Cc: classicrendezvous@bikelist.org
Date: Sun, 30 Dec 2001 12:44:05 -0500
Subject: Re: [CR]Now: Oversize BB Cups Was:Suntour Superbe front der
From: "Richard M Sachs" <richardsachs@juno.com>


>>A likely conclusion might be that the OS cups would simply replace standard cups in a bb shell that has become a very sloppy fit for whatever reason.<

this is the right conclusion. these were 'last resort' items when the interference fits were no lomger conventional. same for the os headset cups and fork crown races. e-RICHIE in Chester

On Sun, 30 Dec 2001 09:16:30 -0800 (Pacific Standard Time) "Marc Boral" <mbikealive@mail.earthlink.net> writes:
> That's the bewildering thing about this Campy product. Campy never
> made an
> oversized tap. I remember researching this about 8 years ago. I
> couldn't
> find any manufacturer (Var, Cobra, Cycle, Silvan, Park, etc.) that
> made/had
> ever made oversized taps. A likely conclusion might be that the OS
> cups
> would simply replace standard cups in a bb shell that has become a
> very
> sloppy fit for whatever reason. But OS cups are still too large to
> be
> screwed all the way into a sloppy bb shell. I too, am still
> perplexed on
> Campy's mindset on how OS cups were to be used.
>
> Marc Boral
> Long Beach, CA
>
> -------Original Message-------
>
> From: Jerry & Liz Moos
> Date: Sunday, December 30, 2001 8:34:37 AM
> To: Marc Boral
> Cc: classicrendezvous@bikelist.org
> Subject: Re: [CR]Now: Oversize BB Cups Was:Suntour Superbe front
> der
>
> Just when I thought I'd heard of everything, someone one this list
> comes up
> with something I never imagined existed. What was the purpose of the
> OS
> cups? Were they to allow a damaged BB to be retapped to a larger
> diameter?
> If so, there must have been a standard tap size with which such cups
> were
> used. Did Campy make such taps? Did anyone else?
>
> Regards,
>
> Jerry Moos
> in Houston, TX
>
> ----- Original Message -----
> From: "Marc Boral" &lt;mbikealive@mail.earthlink.net>
> Cc: &lt;classicrendezvous@bikelist.org>
> Sent: Saturday, December 29, 2001 11:00 PM
> Subject: Re: [CR]Now: Oversize BB Cups Was:Suntour Superbe front
> der
>
>
> Chuck,
>
> I seem to remember the OS cups designated with a "5". So an English
> cup
> would read 1.375 instead of 1.370, and an Italian would read 36.5
> instead of
> 36. I'm not 100% sure on this, maybe I just dreamed it, but I have
> sold
> them in the past, and I still have some here. They're buried so I
> can't
> just grab em to look at.
>
> Attn: Andrew Gills. I know you have/had some OS cups. Can you take a
> look
> at yours and shed some light?
>
> Marc Boral
> Long Beach, CA
>
> -------Original Message-------
>
> From: chuckschmidt@earthlink.net
> Date: Saturday, December 29, 2001 8:31:16 PM
> Cc: classicrendezvous@bikelist.org
> Subject: [CR]Now: Oversize BB Cups Was:Suntour Superbe front der
>
> "C. Andrews" wrote:
> >
> > (Cut) Just tell
> > me one thing: why in the name of heaven does a standard
> > british-threaded adjustable cup thread easily into my
> > Rivendell, but a british threaded Campagnolo thin cup (for
> > the triple cranks), absolutely refuses to go in?
>
>
> Campagnolo made regular and oversize threaded cups. You probably
> have
> the oversize cups. They are not marked in any way; you have to
> measure
> them to identify them (or try to thread them into a normal
> threaded
> bottom bracket :)
>
> Chuck Schmidt
> South Pasadena, Southern California
> http://www.velo-retro.com (only a few more days to take advantage of
> the
> December discount)
> _______________________________________________
> Classicrendezvous mailing list
> Classicrendezvous@bikelist.org
> http://www.bikelist.org/mailman/listinfo/classicrendezvous
> ..
>


> _______________________________________________
> Classicrendezvous mailing list
> Classicrendezvous@bikelist.org
> http://www.bikelist.org/mailman/listinfo/classicrendezvous
>
>
>
> _______________________________________________
> Classicrendezvous mailing list
> Classicrendezvous@bikelist.org
> http://www.bikelist.org/mailman/listinfo/classicrendezvous
> .
>
> _______________________________________________
> Classicrendezvous mailing list
> Classicrendezvous@bikelist.org
> http://www.bikelist.org/mailman/listinfo/classicrendezvous