Shimano Di2 SM-EW90-A Junction Box A - 3 Port - One Option

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