Other

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 BT-R1A External Di2 Battery - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

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.

Shimano Front Derailleur Braze-On Adaptors allow you to run a braze-on style front derailleur on a frame that doesn't have a front derailleur braze-on mount. Multiple sizes cover fitment on most frames.

Big performance in a tiny package, the Shimano SW-RS801 remote shifter brings lightning fast shifting to custom shift points on the handlebar. - Compact satellite shifter creates multiple, custom shift points on the handlebar - Attaches to handlebar via zip tie - 260mm cable length

Shimano Di2 External Battery Mount - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware