Aldo,
My '66 Paramount bottom bracket was re-tapped with Italian threads. I understand this was almost a standard procedure on Paramounts with the Nervex bottom bracket shell of this vintage.
Regards, John
John Wilson
Greensburg, PA
USA
> What are the repair options for a bottom bracket shell which
> has become slightly oversized and ovalized. It's not
> unusable, but the bottom bracket cups do not fit very
> securely. The bike, a '52 Learco Guerra, is otherwise in
> good mechanical condition and my favorite vintage ride.
>
> Thanks for any advice or suggestions.
>
> Aldo Ross
> Middletown, Ohio
> Etats Unis