Thread: How to identify pre or post 2001 Ergo levers, or does it matter?
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Old 02-17-12 | 03:58 PM
  #3  
buldogge
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Joined: Dec 2009
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From: St. Louis, MO
If you're dealing with 9s it's not an issue. If you're dealing with 10s, then you need to shim the rear derailleur and change pulleys and/or change the index in the shifters.
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