Simplex Competition (LE SIMPLEX Bte SGDG; stop knob on upper shaft; metal top knob)
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Category:  Front Derailleurs
Name:  Simplex Competition (LE SIMPLEX Bte SGDG; stop knob on upper shaft; metal top knob)
Brand:  Simplex
Model:  Competition
Years:  1956 - 1959
Country:  France
Weight:  155.9 grams (Spec), 1953 spec
Added By: gizmologist on 11/14/07
Updated By: peterbman on 05/22/17
Additional Photos - click for full size
Simplex Competition (LE SIMPLEX Bte SGDG; stoSimplex Competition (LE SIMPLEX Bte SGDG; stoSimplex Competition (LE SIMPLEX Bte SGDG; sto
# Rings Designed For DoubleOuter Plate MarkingsSimplex Logo
Inner Plate MarkingsClamp MarkingsNone
Inner Clamp MarkingsNoneDesign CategoryPivot Arm
Pivot Arm MarkingsN/APlate MaterialSteel
Clamp Style28.6mm ClampCable Attachment BoltN/A
CableStop NoClamp Bolt Type8mm Wrench
Max Ring Difference 24T  
General Information
Earlier version with alloy knob on lever and Simplex alloy badge at pivot. Has bumper knob on upper lever which is not on earlier version. Gear Range was any double chainring combination from 28 to 52 teeth.
Quality:Rarity:
 
 
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Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Simplex Competition (wreath badge, plastic knob)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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