Shimano Dura Ace 9070 Di2 Junction-A - TT - 5 port - SM-EW90-B

MSRP : USD 103.00

Price : USD 103.00


Shimano Dura Ace 9070 Di2 junction box. This is a non Flight-Deck version. Stem mount design for 2013 with 5 connectors to allow custom E-tube wiring length to minimize unnecessary wire length for Time Trial/triathlon setup.

  • 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
  • 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

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