Old 09-20-21, 06:14 PM
  #5  
icemilkcoffee 
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That left side crank arm should be compatible with any Shimano Hollowtech II road cranks. So you can run a 105 5600 or 105 5700 crankset. These are 10 speed cranksets and they should work fine with your 9 speed drivetrain.
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