BSA (single flute on crankarm, relieved 5 point crankarm base)
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Category:  Cranksets
Name:  BSA (single flute on crankarm, relieved 5 point crankarm base)
Brand:  BSA
Model:  
Years:  Mid 1930's - Mid 1950's
Country:  England
Added By: Sven on 03/18/18
Updated By: peterbman on 03/19/18
Additional Photos - click for full size
BSA (single flute on crankarm, relieved 5 poiBSA (single flute on crankarm, relieved 5 poiBSA (single flute on crankarm, relieved 5 poi
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Chainring CountSingleBCD 
BB StylePedal Threads9/16" x 20 (English)
BB Length Flutes Crank Arm
Lengths 165Arm/Spider MaterialSteel
Front MarkingsBack Markings
Extractor Threading   
General Information
Single fluted arms. Drive side with Gear Case Clearance. 
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsGear Calculator
Brand Information(click to expand)
 English brand associated with many different areas of cycling, but is best known for it's motorcycles and small arms production.
 
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