Originally Posted by
c_mack9
i have a 2011 trek 2.1, i think it has an FSA crank, ive considered puting a 105 crank on it because all the other components are 105. that would be an upgrade wouldnt it? sorry for my ignorance on the subject, im a newb and havent messed with switching stuff around. (also sorry for being off topic)
Ride it until that crank breaks (or otherwise fails; I had a Truvativ crank that started to come apart) and then have your shop replace it with a 105 as a warranty claim (which is what I did with that Truvativ).