Simplex Vallee
Main Photo
Category:  Rear Derailleurs
Name:  Simplex Vallee
Brand:  Simplex
Model:  10115
Years:  1989 - 1990
Country:  France
Weight:  270 grams (Spec)
Added By: peterbman on 06/24/14
Updated By: Catnap on 05/09/20
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Simplex ValleeSimplex ValleeSimplex ValleeSimplex ValleeSimplex ValleeSimplex ValleeSimplex Vallee
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Outer Plate MarkingsSimplex ValleeInner Plate Markings
MaterialAluminum AlloyDesign Category
Attachment Bolt SizeCable Attachment Bolt Size
Shifting SystemsCable Adjuster
Cage LengthMax Cog Size
Max Chain Wrap  
General Information
dropped slant parallelogram and spring loaded pivot
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Additional Resources
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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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