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Old 02-02-2016 | 09:40 AM
  #37  
performula
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Originally Posted by dan_vector
It comes with a 48dp/75t spur which is the same fitment/type as the 411.

The internal ratio is the same as the 747e so you can use this calculator on the serpent site.

http://www.serpent.com/file.php?FileID=5916
I cannot get this to work.
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