Originally Posted by
snpiperpilot
Now, here's my question. My Trek 2.1 came with a Shimaon Tiagra Front Derailleur. Can that be adjusted for a triple? It specs the bike with that derailleur for both a compact and triple but before I buy the new crank, it would be nice to know for sure.
Same gruppo, different part.
You have FD-4500 but the compareable triple part would be FD-4503. If you do go through with this, opt for a 105 or Ultegra FD.