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Old 06-23-08 | 08:40 AM
  #22  
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cooker
Prefers Cicero
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Joined: Jul 2005
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From: Toronto

Bikes: 1984 Trek 520; 2007 Bike Friday NWT; misc others

Originally Posted by skinnyland
Correct. Biopace rings maintain tension the same way all the way around, just as a regular chainring does.
Interesting, didn't know, thanks.
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