Thread: learning to pedal circles without thinking about it....
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Old 06-17-11 | 03:08 PM
  #23  
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bruce19
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From: Lebanon (Liberty Hill), CT

Bikes: Canyon Aeroad, CAAD 12, MASI Gran Criterium S, Colnago World Cup CX, Guru steel & Guru Photon

Originally Posted by Garfield Cat
Both Biopace and O Symetrics are fixed systems. Rotor is a "variable gear" chain ring.

http://www.rotorbikeusa.com/images/s...valladolid.pdf
Not sure I know what that means.
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