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Shimano SM-EW90 Di2 Junction-A Box
Description
- SM-EW90-A = 3 port (To connect regular road dual levers and climbing/sprinter switches)
- 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 http://e-tubeproject.shimano.com/
- 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