Simplex SLJ (2nd type with nub on bottom of barrel, double)
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Category:  Shifters
Name:  Simplex SLJ (2nd type with nub on bottom of barrel, double)
Brand:  Simplex
Primary Group:  Super LJ
Model:  SLJ5007
Years:  1973 - 1981
Country:  France
Weight:  95 grams (Spec)
Added By: nprenet on 11/10/07
Updated By: peterbman on 03/14/18
Additional Photos - click for full size
Simplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of bSimplex SLJ (2nd type with nub on bottom of b
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Shifter Type DowntubeAttachment Style Clamp-On
Shifting SystemsRetro-FrictionLever MarkingsOld-style Simplex star-shaped logo.
Lever MaterialAluminum  
General Information
Original version of the Retrofriction shifters, with the old Simplex logo ('S' in a star), for clamp-on attachment. These shifters were very popular with racers who like the feel of the shifters and the fact they slipped less than the Campagnolo friction shifters of the same time period.
Quality:Rarity:
 
 
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Additional Resources
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Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 4)BrandGroup
Simplex SLJ (2nd type with nub on bottom of barrel, single)SimplexSuper LJ
Simplex SLJ (3rd type, S logo on band)SimplexSuper LJ
Simplex SLJ (4th type, black anodized)SimplexSuper LJ
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Super LJSimplexRoad RaceView 27 Components
Details:   The best of the Simplex lines of components.  Consisted primarily of Front and Rear Derailleurs as well as Shifters.  The SLJ designation was also given to other parts occasionally such as seat posts.
Group NameBrandQuick InfoBrowse Group Components
Serie Sport Ref 01SpidelRoad RaceView 13 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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