Thread: Gearing question for Brompton 6H
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Old 07-22-12 | 10:19 AM
  #5  
fietsbob
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Numbers... the 3 crankset menu choices are 54(+), 50(std) & 44t(-)..
external cogs on 6 speed is a 13-15t pair.

help with the math ..
http://sheldonbrown.com/gears/internal.html
Last edited by fietsbob; 07-23-12 at 09:26 AM.
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