Simplex Competition (LE SIMPLEX Bte SGDG; no stop knob on upper shaft; metal top knob)
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Category:  Front Derailleurs
Name:  Simplex Competition (LE SIMPLEX Bte SGDG; no stop knob on upper shaft; metal top knob)
Brand:  Simplex
Model:  Competition
Years:  1949 - 1955
Country:  France
Weight:  156 grams (Spec)
Added By: peterbman on 05/22/17
Updated By: peterbman on 05/22/17
Additional Photos - click for full size
Simplex Competition  (LE SIMPLEX Bte SGDG; noSimplex Competition  (LE SIMPLEX Bte SGDG; no
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# Rings Designed For Outer Plate MarkingsLE SIMPLEX Bte SGDG
Inner Plate MarkingsClamp Markings
Inner Clamp MarkingsDesign Category
Pivot Arm MarkingsPlate Material
Clamp StyleCable Attachment Bolt
CableStop Clamp Bolt Type
Max Ring Difference   
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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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