Originally Posted by
tntyz
To me, the big advantages are control of screens with the top buttons, seeing the actual battery level of the Di2, and seeing the gears that I'm in. I wish Shimano would have built in the connectivity, but at $75 plus the cost of a cable, it's worth it to me.
Agree completely. I've two pages on my Garmin 530, just for pre-ride status check and curiosity. Having the buttons setup for screens make this a quick check-and-forget.
Battery, GPS, lights, time, vehicles
Di2 shift & gearing info