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Dijon, France 

Updated 12/20/2006 

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Mssrs. Pellisier & Lucien Guy

Click on images to see larger view

Simplex played an important role in the derailleur's development over many variations and models. In 1961 they developed the Prestige-Simplex in the miracle Delrin plastic:
      "Elegant in appearance........ It is robust, indestructible in use and absolutely unaffected by weather, and has the natural suppleness of plastic materials. In use it is silent and smooth. It is light, weighing only 9 1/2 oz. complete with control lever."   Andre Rabault, Cycling Magazine. 
Rear Derailleurs
Mod. "Rigidex"

"Tour de France" model.

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Rear derailleur 1959

 

Record 60 rear

 

Advertisement illustration for early mod. "Prestige"

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JUY 61 rear derailleur

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"Delrin" 1978 ensemble

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  LJ rear derailleur

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SX-610

Front Derailleur
Front derailleur 53B

 


LJ front der.

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Front der., model?

Shift levers
LJ downtube
shift levers

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Freewheel

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Seat post

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Quick release skewers

Water bottle cage
(photo courtesy Hilary Stone)