Alfred Thun GmbH & Co. KG BMX
Main Photo
Category:  Cranksets
Name:  Alfred Thun GmbH & Co. KG BMX
Brand:  Alfred Thun GmbH & Co. KG
Model:  BMX
Years:  Early 1980's - ?
Country:  Germany
Added By: Catnap on 01/20/11
Updated By: Catnap on 01/20/11
Additional Photos - click for full size
Alfred Thun GmbH & Co. KG BMXAlfred Thun GmbH & Co. KG BMX
Chainring CountSingleBCD 
BB StyleOne-PiecePedal Threads
BB Length Flutes None
Lengths 170Arm/Spider MaterialSteel
Front MarkingsBack Markings
Extractor Threading N/A (One-Piece)  
General Information
Thun sold one-piece BMX cranks through a USA affiliate in the 1980's.  Photos shown are scans of Thun ads from 1983 issues of BMXA magazine.
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Additional Resources
Resources:Reference & ChartsGear Calculator
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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