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Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck
689228725553
$115.00
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Product 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
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
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