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Shimano E-Tube Di2 Y-Split Rooting - EW-JC130

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E-Tube Di2 Y-Split Rooting

Available in three separate lengths for your exact frame needs, the Shimano E-Tube Di2 Y-Split Rooting connects your Di2's battery to the front and rear derailleurs. This E-Tube Y-Split Rooting is compatible with all previous Di2 drivetrain generations, regardless if they're Ultegra or Dura-Ace. To find the right fit for your frame, measure the chainstays first, then the distance from the battery location to the front derailleur. After you find these measurements, find the version that's slightly longer to accommodate your routing needs.

  • Connects Di2 batteries to front and rear derailleurs
  • Compatible with all versions of Shimano Di2 drivetrain
  • Different lengths accommodate varying frame geometries
  • Item #SHI00ET

Shimano Di2 drivetrains
Recommended Use
wiring Di2 derailleurs to battery

Tech Specs

What do you think about this product?


>Rating: 5

Y-Split Routing length clarification

I've used it once or twice and have initial impressions

Currently Shimano makes this Y-Split junction in 3 configurations: 1) EW-JC130-SS 250mm/350mm/50mm 2) EW-JC130-SM 450mm/350mm/50mm 3) EW-JC130-MM 550mm/550mm/50mm

Yet another impressive employee review.

Thanks for the clarification


What size is required for a 42cm bar


Will this eliminate the internal junction box (B Junction) or do I still have to buy that?

you need a 1 to 1 connector instead EW-JC200


Can this be used in lieu of a junction box on a 1 x 11 setup?