Simplex Criterium (5th type with S logo)
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Category:  Shifters
Name:  Simplex Criterium (5th type with S logo)
Brand:  Simplex
Primary Group:  Criterium
Model:  SX3613
Years:  1972 - 1978
Country:  France
Weight:  104 grams (Spec)
Added By: cinco on 12/18/07
Updated By: peterbman on 03/13/18
Additional Photos - click for full size
Simplex Criterium (5th type with S logo)Simplex Criterium (5th type with S logo)Simplex Criterium (5th type with S logo)Simplex Criterium (5th type with S logo)
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Shifter Type DowntubeAttachment Style Clamp-On
Shifting SystemsFrictionLever Markings
Lever Material  
General Information
The 1" clamp version of these shifters were model number 4007.  They also came in Left and Right handed single lever versions.
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
CriteriumSimplexView 6 Components
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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