Simplex SJ (2nd type)
Main Photo
Category:  Shifters
Name:  Simplex SJ (2nd type)
Brand:  Simplex
Model:  SJ6311
Years:  1984 - 1990
Country:  France
Weight:  105 grams (Spec)
Added By: JFischer on 01/04/11
Updated By: peterbman on 03/14/18
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Simplex SJ (2nd type)Simplex SJ (2nd type)Simplex SJ (2nd type)Simplex SJ (2nd type)
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Shifter Type DowntubeAttachment Style Clamp-On
Shifting SystemsFrictionLever Markings
Lever MaterialAluminum  
General Information
While similar in style to the later version retro-friction shifters from Simplex, this is a standard friction shifter from their 'Silver Range Sport' series and paired with the SX & SJA series of Rear & Front derailleurs.
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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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