Dura-Ace Di2 (Dual Integrated Intelligence) moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky. Keep your internal battery charged up with this Di2 unit. Key Features: Dura-Ace Di2 charger that will keep your Di2 system shifting. Dura-Ace Di2 uses a powerful long-life 7.4V Li-Ion battery: keep it in top condition and ready for shifting with this specific Shimano Di2 charger. LED indicator lights. 1.5 hour charge time. Does not include a power lead.
The Shimano Dura-Ace Di2 (Dual Integrated Intelligence) is the next generation of junction boxes. Put to the test in competition and used in victories by pro riders in every condition, including the 2012 Tour de France Team Sky. The under-stem Junction Box A is versatile with the multiple shifters. Mount the Junction Box A under the stem with the included rubber harness and can be used with the 9070 setup with multiple shifters. The EW90-A 3 Port Junction Box is designed for a standard drop-handlebar with both STI and Sprinter shifters. Key Features: Shimano Di2 EW90-A 3-port junction box Designed for use with drop handlebars Allows you to use both STI and Sprinter shifters for excellent versatility Cables sold separately