As I understand it and have been told, this was a feature to aid and abet moisture removal within the BB to exit said area. Is this one of the "thick cup" BB's? I'm hazy at this hour of night - but seem to recall being told that the "rifling" on the cups was only on the thick cup BB's. Hope this helps and hope for clarification and refinement if I'm in error.
Kirk A. Thomas Keeper of "Le Bumble Bee" Arcadia CA USA
At 10:53 PM 3/26/06 -0500, mmeison@aol.com wrote:
>I recently purchased a campy SR bottom bracket and
>the holes for the spindle through the cups are threaded.
>I've not seen this before. Are there sleeves
>or something that thread into it, or was it to facilitate
>tightening them into the shell?
>If it is a sleeve does anyone know where I might find
>them?
>I'm also looking for an english threaded adjustable top race
>for a super record headset, Pista or Strada.
>
>Feeling very much like a novice here,
>Marty Eison
>Frisco, Texas
>
>
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