Nervar Sport 155 (steel, cottered)
Main Photo
Category:  Cranksets
Name:  Nervar Sport 155 (steel, cottered)
Brand:  Nervar
Model:  155
Years:  ? - 1970's
Country:  France
Added By: JFischer on 01/21/10
Updated By: peterbman on 12/27/16
Additional Photos - click for full size
Nervar Sport 155 (steel, cottered)Nervar Sport 155 (steel, cottered)Nervar Sport 155 (steel, cottered)Nervar Sport 155 (steel, cottered)Nervar Sport 155 (steel, cottered)
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Chainring CountDoubleBCD 128mm
BB StyleCotteredPedal Threads14mm x 1.25mm (French);
9/16" x 20 (English)
BB Length Flutes Crank Arm; Spider
Lengths 170Arm/Spider MaterialSteel
Front MarkingsNervar SportBack Markings
Extractor Threading N/A (Cottered)  
General Information
Cottered version of the Nervar Sport crankarm.  The Nervar Sport was designed to be used with alloy chain rings, however the crank arm and spider was made of steel.  Right side crank: #155, left side #157 in the 1974 Catalog.
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Additional Resources
Resources:Reference & ChartsCatalogsGear Calculator
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Nervar Sport 156 (steel, square taper)Nervar
Brand Information(click to expand)
 Often the forgotten manufacture of French cranksets after Stronglight and TA, Nervar cranks are often found on even the best French bicycles.  Many models will take the same chain rings as highly sought after (and thus expensive) models of the other French brands.  It is also important to note that mose Nervar cranks take standard threaded tools, so hunting down a special tool for removal is not required as with other French brands.
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