Old 10-22-12 | 01:06 PM
  #4  
Al1943
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Joined: Feb 2005
Posts: 9,438
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From: Oklahoma

Bikes: Trek 5500, Colnago C-50

You could use a 9-speed 13 first position cog by grinding the built-in spacer to 10-speed thickness. I made a 9-speed from an 8-speed this way.
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