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Old 05-25-11 | 07:23 AM
  #13  
Sierra
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Joined: Sep 2003
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Originally Posted by Italuminium
yes. ALAN gearing, period correct: 52/46-12/14/15/16/17/21
What period?

I don't remember any 12 tooth cogs 30 or 40 years ago, but admittedly my exposure to cycling at that time was limited.
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