Originally Posted by
Enigma2806
Very good point Robert! Also one other note, it looks like the 2013 comes with the Shimano 105 cassette 10-28... did they not make an ultegra 6700 cassette for this? The 2014-15 models all have the new Ultegra cassette.
It is an 11-28 cassette and it is functionally identical to the Ultegra. It is a consumable item, you can always upgrade later.