Originally Posted by
CyciumX
If you can get Di2 for 2gs... lemme know, dude!
You can get Di2 by going with a mix of Ultegra 6700 and Di2.
The Di2 upgrade kit is $1500 at PBK and comes with the shifters, derailleurs, and battery. Then you just buy the Ultegra 6700 crank, BB, cassette, brakes, and DA7950 chain. I priced out all the parts and it comes out to $2000.