Simplex SLJ5500 (version 1)
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Category:  Rear Derailleurs
Name:  Simplex SLJ5500 (version 1)
Brand:  Simplex
Primary Group:  Super LJ
Model:  SLJ5500
Years:  1979 - 1984
Country:  France
Weight:  219 grams
Added By: JFischer on 07/06/07
Updated By: peterbman on 03/13/16
Additional Photos - click for full size
Simplex SLJ5500 (version 1)Simplex SLJ5500 (version 1)Simplex SLJ5500 (version 1)Simplex SLJ5500 (version 1)Simplex SLJ5500 (version 1)
Outer Plate MarkingsSimplexInner Plate Markings
MaterialAluminum AlloyDesign CategoryInline parallelogram
Attachment Bolt SizeCable Attachment Bolt Size
Shifting SystemsFrictionCable AdjusterNo
Cage LengthShortMax Cog Size30
Max Chain Wrap26  
General Information
Simplex Super LJ 5500 rear derailleur.  One of the last versions of the Super LJ derailleur. Black anodized bolts with white plastic dust caps.  Mobile, black cable-stop on the upper part.
Quality:Rarity:
 
 
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Additional Resources
Marketplace:Looking to buy one of these?Sell one like this
Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
Gipiemme SpecialGipiemmeSpecial (Strada)
Simplex SLJ5500 GT (version 2)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.
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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