Originally Posted by
GeneO
Automatic Trim. Smoother shifting with this.
Ability to program shifting sequences.
Extra buttons on top that can be programed to, say, scroll through your Garmin pages.
Integration with cycling computer to view gears, shifting mode, battery level etc.
Ability to fine tune derailleurs on the fly while riding via cycling computer. No shifting cable stretch.
I don't need or want any of those things which is probably why I am not bothered if the bike has it or not.
I am also sure it is easier and safer to tune a derailleur while riding with a barrel adjuster rather than on the cycling computer. Not that Di2 hardly ever needs to be tuned.
Anyway lets not turn this into a Di2 thread. It has already been beaten to death in the past.
Congrats on the Roubaix for when you do get one
. Great bike.