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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 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

This is the correct plug-and-play wire for Shimano's E-Tube Di2 electric-shifting systems. It comes in sixteen different lengths, so choose the one(s) that's right for your Di2 E-Tube wiring configuration.

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.