Thread: 8 speed brompton!
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Old 11-10-10 | 08:51 PM
  #12  
Dahon.Steve
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Joined: Dec 2001
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From: New Jersey
Originally Posted by biaddiction
The Brompton on that photo had a decent range with a 30T ring and 19T sprocket using the Sturmey 8


INCHES
8------- 81.4
7------- 63.5
6------- 56.1
5-------49.5
4-------43.8
3-------38.6
2-------34.1
1-------26.7
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