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Simplex (6 bolt)
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Main Photo
Category:  Chainrings
Name:  Simplex (6 bolt)
Brand:  Simplex
Model:  
Years:  N/A
Country:  France
Added By: JFischer on 10/21/07
Updated By: peterbman on 06/05/14
Additional Photos - click for full size
Simplex (6 bolt)Simplex (6 bolt)Simplex (6 bolt)Simplex (6 bolt)Simplex (6 bolt)Simplex (6 bolt)
 Verify Component Photos
Identifying MarksSimplexBCD 
Tooth Count RangeRing PositionLarge; Middle; Single Ring
Chain PitchChain Width
Material  
General Information
Packaging doesn't identify these as "Competition" chainrings
Quality:Rarity:
 
 
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Additional Resources
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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