Simplex LJ A200
Main Photo
Category:  Front Derailleurs
Name:  Simplex LJ A200
Brand:  Simplex
Model:  LJ A200
Years:  1972 - 1976
Country:  France
Weight:  137 grams (Spec)
Added By: JFischer on 12/01/09
Updated By: peterbman on 03/13/16
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Simplex LJ A200Simplex LJ A200
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# Rings Designed For DoubleOuter Plate MarkingsSimplex sun logo
Inner Plate MarkingsNoneClamp MarkingsSimplex (logo)
Inner Clamp MarkingsMADE IN FRANCE MODELE DEPOSE Bte S.G.D.G.Design CategoryParallelogram
Pivot Arm MarkingsPlate MaterialChrome plated steel
Clamp Style28.6mm ClampCable Attachment Bolt8mm Wrench
CableStop YesClamp Bolt Type4mm Allen Key
Max Ring Difference 14T  
General Information
This was original equipment for Peugeot PX10LE in 1977 and 1978 as sold in USA.  Peugeot catalogs refer to it LJA200 Criterium, even though back side of clamp (above) plainly reads Simplex Super Competition.  Differed from the LJ A100 in that the A200 has a solid outer plate instead of having the 3 cut-outs.  At least this this is how it is shown in the Sept. 1975 Catalog photos.
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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Simplex LJ A200 Criterium (CPSC version)Simplex
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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