Old 03-28-20, 03:48 PM
  #4  
nesteel 
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Those chorus shifters are considered "late" 9, which should work with 10.
Personally, the entire "early" and "late" 9 speed issue is largely overblown. I've mixed and match with no issues in the past. I'm currently using a late 9 RD with converted 10speed shifters/cassette. Works fine.
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