Di2 Cockpit Junction Box

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)