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Old 09-26-11 | 11:01 AM
  #17  
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ColonelJLloyd
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Joined: Dec 2009
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From: Louisville
Originally Posted by jimmuller
How do you make a fixie with rings which don't have a constant radius? Inquiring minds want to know...
It works for the same reason it works with a derailleur. http://www.sheldonbrown.com/biopace.html
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