Bill Curtis wrote:
>
> Check out Frank Berto"s THE DANCING CHAIN. A book detailing the history of
> the derailleur. Campy's was not the first parallelogram, but a copy of another
> Italian (if I remember correctly) unit. Simplex's first parallelogram was the
> Record 60, a chrome stamped steel unit that essentially was the design
> forerunner of the first Prestige.
Bill, the Record 60 was the last generation of a Simplex Juy 543 (not a parallelogram design). You are thinking of the Juy Export 61 maybe?
Juy 543 photo:
http://village.infoweb.ne.jp/
Juy Record 60 photo:
http://village.infoweb.ne.jp/
Juy Export 61 photo:
http://www.geocities.co.jp/
Campagnolo's idea for using a parallelogram design came from a previous French design.
Chuck Schmidt South Pasadena, CA
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