Old 03-29-17 | 08:08 AM
  #6  
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CliffordK
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I'm assuming standard drop bars. What groupset are you using?

Do you have a "compact" crankset? 34x(something) 110bcd?

Not all of the current Shimano groupsets support a 3x option. Campagnolo generally does allow 3x for their shifters.

But, your change is likely going to take at least:
  • New Crankset
  • New Front Derailler (cyclocross, not MTB)
  • New Left Shifter
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