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Old 05-18-17 | 09:22 AM
  #11  
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nfmisso
Nigel
 
Joined: Mar 2011
Posts: 2,991
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From: San Jose, CA

Bikes: 1980s and 1990s steel: CyclePro, Nishiki, Schwinn, SR, Trek........

In the video, I do not see the distance between the chain rings and the chain stay varying at all.
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