Shimano SM-EW90-F JUNCTION UNIT DURA-ACE Di2 5-PORT T/TRIAL DA-2013

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  • Regular price $152.00


This is the Shimano DI2 Dura-Ace E-Tube Junction Box. This box is referred to as the junction Box A  and is located at the handlebars on a Di2 build. The box is available in either a three or five port option, to accommodate either a one pair or two pair shifter arrangement. 

Features: 

    • 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
    • SM-EW90-B: 5-Port Cockpit Junction Box connects up to 2 pairs of Di2 shifters to the frame junction box via 5 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
    • Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/
    • All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions