![I have a dura ace 7970 Di2 electronic derailleur… but only this part. What else would I need to utilize this on a bike and is there any way I can tell I have a dura ace 7970 Di2 electronic derailleur… but only this part. What else would I need to utilize this on a bike and is there any way I can tell](https://preview.redd.it/iwu772ejapn91.jpg?width=640&crop=smart&auto=webp&s=ed2c437d2ca657bae6ecf0b891a4c52e2fc2b218)
I have a dura ace 7970 Di2 electronic derailleur… but only this part. What else would I need to utilize this on a bike and is there any way I can tell
![Shimano Shimano - TL-EW01 - Dura-Ace 7970 Di2 Wiring Plug Tool | Cartersville Bicycle Service & Supply Shimano Shimano - TL-EW01 - Dura-Ace 7970 Di2 Wiring Plug Tool | Cartersville Bicycle Service & Supply](https://cdn.shoplightspeed.com/shops/657022/files/47192043/600x600x2/shimano-shimano-tl-ew01-dura-ace-7970-di2-wiring-p.jpg)
Shimano Shimano - TL-EW01 - Dura-Ace 7970 Di2 Wiring Plug Tool | Cartersville Bicycle Service & Supply
![Shimano Dura Ace Di2 RD 7970 Rear Derailleur user reviews : 0 out of 5 - 0 reviews - roadbikereview.com Shimano Dura Ace Di2 RD 7970 Rear Derailleur user reviews : 0 out of 5 - 0 reviews - roadbikereview.com](https://content.roadbikereview.com/channels/roadbikereview/images/products/large/product_447133_61873.jpg)
Shimano Dura Ace Di2 RD 7970 Rear Derailleur user reviews : 0 out of 5 - 0 reviews - roadbikereview.com
![Amazon.com : Shimano Dura-Ace Di2 Shift/Brake Lever for Road : Bike Shift Levers : Sports & Outdoors Amazon.com : Shimano Dura-Ace Di2 Shift/Brake Lever for Road : Bike Shift Levers : Sports & Outdoors](https://m.media-amazon.com/images/I/61BPcq1IHIL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Shimano Dura-Ace Di2 Shift/Brake Lever for Road : Bike Shift Levers : Sports & Outdoors
![2012 Shimano Dura Ace 7970 Di2 Sub-group (di2 Upgrade Kit) (www.part-bikes.com) - Explore Indonesia Wholesale 2012 Shimano Dura Ace 7970 Di2 Sub-group and | Globalsources.com 2012 Shimano Dura Ace 7970 Di2 Sub-group (di2 Upgrade Kit) (www.part-bikes.com) - Explore Indonesia Wholesale 2012 Shimano Dura Ace 7970 Di2 Sub-group and | Globalsources.com](https://p.globalsources.com/IMAGES/PDT/B1069656997/2012-Shimano-Dura-Ace-7970-Di2-Sub-Group.jpg)