Description
Details
Shimano Di2 Junction Box
– All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
– Use Di2 system checker to update component firmware from .
– 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)
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