Originally Posted by
zcher82
I guess what I'm asking is, could a 2013/14/15 105 groupset outperform (due to technological improvements) an older ultegra groupset? In essense, can newer "lower hierarchy" component perform better than older "high hierarchy" components. I'm assuming there is a potential for that, but it would probably be a case by case basis.
Yes. New 11 speed 105 performs better than last generations 10 speed Ultegra. There is a definite trickle down on the Shimano side