I have always thought the 1979 date for the revised Super Record rear mech to be suspect - in part because the first version is so rare. Recently I had corroboratory evidence through my hands - a revised Super Record rear mech dated 78.
Hilary Stone, Bristol, England
Chuck Schmidt wrote:
> Marc Borel mentioned that the Porta Catena (chain holder) was introduced
> at the Milan Trade Show held at the end of the year in 1977. Could the
> Catalog #17a Supplement (contents shown below) be from the same show?
>
> Anyone have any opinions or new info?
>
> 1979 -- Catalog #17a Supplement is printed for the year-end trade shows.
> Included are a revised Super Record derailleur with script logo and
> different cage geometry, single bolt Nuovo Super Record seat post,
> Record front
> derailleur with four holes (later to be three) in cage, straight-band
> clamp (later to revert to traditional pointed-band clamp), short Nuovo
> Record dropouts
> without eyelets (drilled and taped for chain holder), chain holder with
> accompanying control lever and trigger, and fixing shoe-plate for pedals.