Old 01-25-17 | 10:07 AM
  #4  
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alcjphil
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From: Montreal, Quebec
Originally Posted by Leisesturm
If they are both road shifters, both Shimano shifters, and both 9sp shifters, I cannot imagine they would have different pull ratios.
Tiagra 4600 and 4700 are both road shifters and both 10 speed yet they are not intercompatible
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