Originally Posted by
Barchettaman
105 is excellent stuff.
With DA shifters it is impossible to discern a functional difference between a 105 RD and a DA/Ultegra RD.
+1. I am building up a Tri-bike and will be going with a 2011 DA/105 group. I put the 2011 105 on my wifes bike and it shifts much nicer than my 09 Ultegra components. Great job on pulling the trigger on a great bike. Hoping to have my bike built up by next season.