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Simplex (Standard or Grand Prix Duralumin)
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Category:  Front Derailleurs
Name:  Simplex (Standard or Grand Prix Duralumin)
Brand:  Simplex
Model:  
Years:  1934 - 1938
Country:  France
Added By: peterbman on 08/28/14
Updated By: peterbman on 01/06/19
Additional Photos - click for full size
Simplex (Standard or Grand Prix Duralumin)Simplex (Standard or Grand Prix Duralumin)
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# Rings Designed For Outer Plate Markings
Inner Plate MarkingsClamp Markings
Inner Clamp MarkingsDesign Category
Pivot Arm MarkingsPlate Material
Clamp StyleCable Attachment Bolt
CableStop Clamp Bolt Type
Max Ring Difference   
General Information
Appears in 1937, 1937-1938, and 1938 Simplex catalogs in two models: the Standard model front derailleur was matched with the Route Leger rear derailleur, and the Grand Prix Duralumin model front derailleur was matched with the rear derailleur of the same name.
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Brand Information(click to expand)

Known for their black plastic (Delrin) derailleurs during the "bike boom" of the 1970's, they were at the forefront of innovation over the years, producing such highly regarded items as the Super LJ derailleurs, Retrofriction shifters, and very popular line of seat posts.

 
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