Shimano - 1st Gen E-Tube Di2 Wire

Shimano 1st Gen E-Tube Di2 Wire

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Warning: California Proposition 65

California Proposition 65

Warning:

This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Tech Specs

Compatible Components:: Shimano Ultegra Di2, Shimano Dura-Ace 9070, Ultegra 6770 and 6870, XTR M9050, Dura-Ace R9170 and R9150, Alfine S705 and S505
Manufacturer Warranty:: 2 years

1st Gen E-Tube Di2 Wire

The Shimano 1st Gen E-Tube Di2 Wire plays an integral and important role in assembling your 6770, 6870, or 9070 Di2 group. Without it, you can't install your Di2 derailleurs, shifters, or battery. So, check the size chart on this page for length, and don’t worry about the rest. If you’re running Ultegra 6770 or 6870, or Dura-Ace 9070, this E-Tube Di2 Wire will connect up all the moving parts. Its connectors are the same, regardless of application, so all you have to do is choose the length that’s best suited.

Connector wires for Shimano's E-Tube Di2 system
Easily clicks into place for quick and easy install
May be used for internal or external applications

Shimano

Di2 Reference Guide
Battery and Wires: Our Shimano Di2 packages are built for three standard configurations based on battery location and wire routing. First, you'll need to determine if your frame uses an internal or external battery mount, and whether the routing is either internal or external. Below is a guide for which battery, charger, mount, and junction boxes are required for your configuration.
Battery & Wire Configurations	Battery	Battery Charger	Battery Mount	Junction A	Junction B
External Battery with External Routing	SM-BTR1	SM-BCR1	SM-BMR2	SM-EW90 A/B 3/5 port	SM-JC40
External Battery with Internal Routing	SM-BTR1	SM-BCR1	SM-BMR2	SM-EW90 A/B 3/5 port	SM-JC41
Internal Battery with Internal Routing	SM-BTR2	SM-BCR2		SM-EW90 A/B 3/5 port	SM-JC41
Battery Mounts: The SM-BMR2 battery mount is available in three configurations -- Long External, Short External, and Long Internal. Both Long versions are to be mounted using the bottle cage mounts, while the Short version is designed for Di2-specific frames with either a chainstay or down tube mounting location.
Junctions: There are two junctions needed for completing your Di2 build -- A and B. Junction A, SM-EW90, is located at the handlebars and available in both three- and five-port options. The three-port option is intended for standard shifting with a left and right hand shifter. If you have the intention of using Shimano's satellite sprint shifters, or a combination of time trial shifters and shifter/brake levers, the five-port junction box will be the necessary selection. Depending on your frame specification, Junction B (SM-JC40 or SM-JC41) is located either internally or externally at the bottom bracket area. Accordingly, SM-JC41 is designed for frames with internal wire routing, while SM-JC40 is intended for external wiring options.
E-Tube Wires: For your convenience, we've created wire packages for your Di2 build kit in the sizes Small, Medium, and Large. Below, you'll find which wire lengths are included in each kit. Additionally, we've recommended a kit size based on your frame size.
E-Tube Wire Length Chart	S	M	L
Down Tube Wire	700mm	750mm	950mm
Front Derailleur Wire	300mm	350mm	400mm
Rear Derailleur Wire	500mm	550mm	600mm
Battery Wire	300mm	350mm	400mm
Note: E-Tube Wire Length Suggestions are an approximation.
E-Tube Wire Frame Size Guide	S	M	L
Frame Size	47 - 52cm	53 - 56cm	57cm+

Note:: This reference is meant to be used as a guide for creating a Shimano Di2 drivetrain package. For further assistance please feel free to give us a call.