I have brand new, never ridden, ultegra parts for sale. They came off a 2013 Trek Madone, I replaced with SRAM before I even picked up the bike from the shop, items are:
STI Shifters - $250 (I will include cables/housing)
Crankset - $250 - 172.5 compact rings (50/34) BB included.
105 Cassette - $40 - 11-28
Sold Ultegra Chain - $30 (was installed but never ridden) Sold

Let me know if you are interested, I can send pics if you want.

Thanks!