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Shimano Di2 Power Cables. Must purchase battery, charger, and power cable to complete the system - Di2 Battery, battery charger, and power cable are universal between Dura-Ace 7970 and Ultegra 6770 Di2 systems - This is the power cable for the Di2 Battery Charger (CY7972) - FD/Shifter Compatibility: Dura-Ace 7970 Di2 , Shimano Ultegra Di2

Shimano's Di2 electric drivetrain takes shifting to the next level. Two Di2 Battery Chargers are available. Choose the model designed for your system's battery. An additional power cable is required for the external-style battery charger (sold separately). These chargers fully charge the battery in 90 minutes.

If you put in a lot of miles and/or sweat a lot, your shifter hoods probably need freshening up. Grab a pair of Shimano Dura-Ace STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace 9001 STI levers

If you put in a lot of miles and/or sweat a lot, your shifter hoods probably need freshening up. Grab a pair of Shimano Di2 STI Lever Hoods to make your bike feel new again. - Fits Dura-Ace ST-9150 Di2 levers

Shimano STI lever hoods. - Fits Ultegra ST-6700 levers only