Shimano Di2 Power Cables. Must purchase battery charger and power cable to complete the systemDi2 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 | Shimano Ultegra Di2 |
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