Originally Posted by
thirdgenbird
In comparison to DA di2 record eps is:
Same price
Lighter
1 more cog - Rumors are Shimano will release an 11 speed Di2. Also if the travel on the Di2 derailleur is the same as on the Campy derailleur, and there's no actual indexing or anything in the Di2 derailleur (not sure how it works), there's no reason you couldn't just reprogram it to work with Campy 11 speed gear.
Longer battery life - Considering that Di2 can last something like 5 months of heavy use on one battery recharge I don't think battery life is really an issue even if Campy's lasts a little longer. Anybody who recharges either system every week or two will have no issues
Claimed more water resistant (if it manners) Might be negligible. Considering that no pro teams had issues with Di2 and water. Also some of the water resistance comes at the cost of making it very hard to modify (one of the things that makes Di2 great)
Same wire routing as di2
Better looking Arguable.
Better lever feedback than di2 - I don't understand why anybody wants lever feedback with an electronic system. I want as little lever throw as possible aka none.
Same ergos as cable group (you can have a cheaper second bike w/ same form and function)
Same auto trimming
Multiple shifts - With how easy and flexible modifying Di2 is it would be no problem to make it do multiple shifts.
Wheel support for racing seems to be the only slight downside.
One of the coolest things about Di2 is the modifications/hacks people have done to it, i.e. putting it on a mountain bike, or reprogramming it to do sequential shifting that requires only one shifter, or taking the brain apart so as to fully integrate it inside the frame. My guess is all this will be impossible with Campy given that they've bragged about how they fully sealed the electronic unit. I'm sure even if you could manage to get that open they safeguarded all the firmware.