Description
Shimano Di2 Junction Box
- SM-EW90-A 3-Port Cockpit Junction Box connects 1 pair of Di2 shifters to the frame junction box via 3 SD50 E-tube wires
- OEM front wiring kit for Dura-Ace Di2 9070
- LED battery charge level indicator
- Rear Derailleur adjustment mode
- Internal Battery charging port
- Includes Junction Box Band (CY9082) and Junction Box Hook (Mounting Plate, CY9081)