Simplex Touriste
Main Photo
Category:  Chainrings
Name:  Simplex Touriste
Brand:  Simplex
Model:  Touriste
Years:  Early 1950's - ?
Country:  France
Added By: Catnap on 12/13/13
Updated By: Catnap on 12/13/13
Additional Photos - click for full size
Simplex TouristeSimplex TouristeSimplex TouristeSimplex TouristeSimplex Touriste
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Identifying MarksBCD 50.4
Tooth Count Range50-30Ring PositionDual Chainring Set
Chain PitchHalf Inch (modern standard)Chain Width3/32"
General Information
The Simplex Touriste chainrings were intended for 50.4 BCD cranksets such as the Stronglight 49D and TA Pro 5.  They are quite rare and sought-after.
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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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