I believe that Campy briefly marketed titanium axles for the Superleggera black alloy pedals. Because they proved to be too brittle and cracked easily, Campy converted in 1978 to all-steel axles. Yes, there are additional differences!
> Classic Campy pedals are all the same on the inside. The only difference
is the
> chrome steel cage versus black anodized alloy cage (and the road versus
track
> cage designs.)
>
> Bill Bryant
> Santa Cruz, CA
>
>
>
> "Jon M. Schaer" wrote:
>
> > Is there any mechanical or design difference between the silver-cage and
the
> > black-cage models?
> >
> > Thanks,
> >
> > Jon Schaer
> > Columbus, OH