Originally Posted by
sstorkel
Shimano only makes one battery and they only sell Di2 brifters in pairs. You can buy an entire Red gruppo for less than Di2 front shifting would cost...
i was just talkin hypathetically dude. just saying i think a hybrid setup would be sweet.
didn't know the 2 derailleurs talked to each other. i guess if you engineered this kind of hybrid system you could easily make a sensor that communicated the RD's position to the system .