Alfred Thun GmbH & Co. KG AL (cotter pin)
Main Photo
Category:  Cranksets
Name:  Alfred Thun GmbH & Co. KG AL (cotter pin)
Brand:  Alfred Thun GmbH & Co. KG
Years:  N/A
Country:  Germany
Weight:  572 grams (Actual)
Added By: peterbman on 04/08/16
Updated By: peterbman on 04/08/16
Additional Photos - click for full size
Alfred Thun GmbH & Co. KG AL (cotter pin)Alfred Thun GmbH & Co. KG AL (cotter pin)
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Chainring CountDoubleBCD 
BB StylePedal Threads9/16" x 20 (English)
BB Length Flutes 
Lengths 170Arm/Spider MaterialAluminum Alloy
Front MarkingsTHUN ALBack Markings
Extractor Threading   
General Information
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Additional Resources
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Brand Information(click to expand)
Established just after World war I by Alfred Thun, they manufacture transmission product for vehicles, including cranksets and pedals for bicycles.  Still in operation as Alfred Thun GmbH & Co. KG, they continue to manufacture square-taper sealed bottom brackets.  Website can be found at:
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