Ultegra 6770 cranks, bottom bracket, chain, cassette, and brakes round out the group.
5 separate wires must be purchased- handlebar, 1 front, 2 middle, and a rear harness
The 2 middle harnesses are for junction box to battery and junction box to front derailleur
Ultegra 6070 wiring harnesses are compatible with Dura Ace 9070. Other Ultegra 6770 components (with the exception of shifters) are not compatible with Dura Ace 9070.
Wire covers come in different colors and must be purchased separately from wiring harnesses
Battery, charger, and charger cord must be purchased separately
R671 TT shifters feature a programmable, 2 button design
Satellite shifter allows for rear shifting from the top of the bars. Buttons are programmable for up/down shifting and 10/11 speed drivetrains using the system programmer. Can be mounted left/right and under/over bars
Use the PC connector to connect your Ultegra Di2 bike to the E-Tube Project software through a PC
Note: Dura Ace and Ultegra E-Tube compatible shifters can be programmed to work with either 10 or 11 speed drivetrains (with the exception ISWR610, which is only compatible with Dura Ace 9070)