Originally Posted by MyTi

I'm betting your bike with the FSA crank was not set up properly. Maybe your FSA crank was worn out as well. If you think about it there is nothing advanced about say a $500 dura ace crankset with the exception of it possibly being more lightweight. As long as it is aligned and not deformed, and the teeth are not worn, an fsa crank will function and shift as good as a dura ace crankset.