Simplex (5 pin)
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Main Photo
Category:  Chainrings
Name:  Simplex (5 pin)
Brand:  Simplex
Years:  N/A
Country:  France
Added By: peterbman on 04/07/14
Updated By: peterbman on 06/04/14
Additional Photos - click for full size
Simplex (5 pin)Simplex (5 pin)Simplex (5 pin)Simplex (5 pin)Simplex (5 pin)
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Identifying MarksSimplexBCD 
Tooth Count RangeRing PositionDual Chainring Set
Chain PitchChain Width3/32"
General Information
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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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