Sugino Pro Dynamic (Cottered)
Main Photo
Category:  Cranksets
Name:  Sugino Pro Dynamic (Cottered)
Brand:  Sugino
Model:  Pro Dynamic (Cottered)
Years:  Mid 1950's - Mid 1960's
Country:  Japan
Added By: Catnap on 06/28/13
Updated By: Catnap on 06/28/13
Additional Photos - click for full size
Sugino Pro Dynamic (Cottered)Sugino Pro Dynamic (Cottered)Sugino Pro Dynamic (Cottered)
Chainring CountDouble; TripleBCD 50.4mm
BB StyleCotteredPedal Threads9/16" x 20 (English)
BB Length Flutes Crank Arm
Lengths 165; 170Arm/Spider MaterialAluminum Alloy
Front MarkingsBack Markings
Extractor Threading   
General Information
The early version of this 50.4 bcd copy of the famous French cyclotouring cranksets used a cottered bottom bracket.  It was upgraded to a cotterless design in the early 1970's.
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Additional Resources
Resources:Reference & ChartsCatalogsGear Calculator
Brand Information(click to expand)
Sugino is a Japanese manufacturer of road and track bicycle components, founded in Nara, Japan, in 1910. It made chainsets and chainrings. It fell on hard times in the early 90s and became smaller. The company still makes bicycle components.
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