![Amazon.com : BRAND NEW SHIMANO 7970 DURA-ACE DI2 10 SPD REAR DERAILLEUR RD7970SS : Rear Bike Derailleurs : Sports & Outdoors Amazon.com : BRAND NEW SHIMANO 7970 DURA-ACE DI2 10 SPD REAR DERAILLEUR RD7970SS : Rear Bike Derailleurs : Sports & Outdoors](https://m.media-amazon.com/images/I/81KXuo81q8L._AC_SX522_.jpg)
Amazon.com : BRAND NEW SHIMANO 7970 DURA-ACE DI2 10 SPD REAR DERAILLEUR RD7970SS : Rear Bike Derailleurs : Sports & Outdoors
![Amazon.com : Shimano Dura-Ace Di2 7970 10-Speed EW-7972 Base B & BoltS(M3X6) - Y7E098010 : Sports & Outdoors Amazon.com : Shimano Dura-Ace Di2 7970 10-Speed EW-7972 Base B & BoltS(M3X6) - Y7E098010 : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/I/31CjeNBfDbL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : Shimano Dura-Ace Di2 7970 10-Speed EW-7972 Base B & BoltS(M3X6) - Y7E098010 : Sports & Outdoors
Shimano Dura Ace Di2 7970 10 Speed Drivetrain: Battery - Wiring - Shifters - Derailleurs - Top bar/TT Buttons - Bike Recyclery
![Shimano Ultegra and Dura-Ace Di2 Electronic Shifting – Everything You Need to Know – Carlton Bale .com Shimano Ultegra and Dura-Ace Di2 Electronic Shifting – Everything You Need to Know – Carlton Bale .com](http://carltonbale.com/wp-content/uploads/2013/08/Shimano_Dura-Ace_Di2_7970_Tri_TT_Groupset.jpg)