Shimano Di2 Internal Wiring Diagram

Dura ace 9070 di2 11 speed.

Shimano di2 internal wiring diagram. As road bike component the stress free operation is one of the most important feature to lead all day riding comfort with braking and shifting. Not all frames support internal di2 wiring even if they do allow internal mechanical cables. You can change gear even under heavy load while climbing or accelerating. Measure from junction box a to junction box b.

While di2 electric wires are smaller 2mm than mechanical cables and cable housing the di2 connectors are slightly larger 5mm diameter than the holes cable stops in most frames. Rear derailleur front derailleur battery junction a junction b internal routing junction box b sm jc41 to select proper wire ew sd50 length. Internal battery with the launch of dura ace 9100 came new firmware offering road riders synchronized shifting options between front and rear derailleurs. Di2 routing measurement and wire selection rear derailleur battery junction a.

Di2 gives you instant accurate lighting fast shifts the first and every time at the push of a button. 2 round your x measurement up to the closest sized wire. With di2 you are in complete control. We show you how to install shimano s latest groupset.

User s manuals are describing safety information and procedures for consumers dealer s manual are describing how to assemble and adjust the product for primarily professional bicycle mechanics. If parts such as bolts and nuts become loose or damaged the bicycle may suddenly fall over which may cause serious injury. Subscribe to gcn on youtube for more. Determine internal or external routing 2.

Even in the most extreme conditions shifting is precise and controlled. The short down tube wire is 700mm the medium wire is 750mm and the long wire is 900mm. Click here and find out the manuals of shimano products technical information safety data sheet of grease and so on. In addition if adjustments are not carried out correctly problems may occur and the bicycle may suddenly fall over which may cause serious injury.

Err on the longer side for internal set ups since any extra wire can be tucked into the frame. A short while later this technology was made available to ultegra 6800 series and dura ace 9000 series riders who have the latest di2 battery. The techniques shown can be applied to any of shimano s electronic groupsets. It is recommended to use genuine shimano parts only.