The junction box has two e tube ports to connect it to the rest of the system a charging port and a button used to check battery status and change settings on the fly. We have 2 shimano ultegra ew rs910 manuals available for free pdf download.
Hands On Bike Dahon Musp Di2 Battery Placement And Wiring
Ew rs910 wiring diagram. This is one way to fit the new shimano di2 bar end ew rs910 junction a on any handle bar without using the expensive y split di2 cable please note that using this solution will void any. It is mounted either in the handlebar end or somewhere built into the frame. Ew rs910 ew rs910 e tube junction a built in type for frame or handlebar designed for use as a bar end on drop handlebars or with designated frames the rs910 junction is a 2 port option for internal e tube wire routing charging battery monitoring and shift mode switching. The ew rs910 junction box replaces the more traditional below the stem junction sm ew90. Cant seem to find them on shimano website only ew sd50 all the time. The thought of tearing the wiring fully out of my bike.
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