Specialized AETHOS - 5.2. Shifting - Electronic Wired System

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5.2. SHIFTING - ELECTRONIC WIRED SYSTEM
FRAME WIRING LENGTHS:
LOCATION QTY LENGTH
JCT B BOX TO COCKPIT (SHIFTER) 1 1400mm
JCT B BOX TO REAR DERAILLEUR 1 750mm
JCT B BOX TO FRONT DERAILLEUR 1 500mm
JCT A BOX TO BATTERY (SEATPOST) 1 1000mm
 FIG. 1 (Shimano Di2): Route the wires through the frame.
• Route a 1400mm wire from the head tube ICR port, down the down tube and out the bottom bracket
hole.
The Di2 wire must be routed into the down tube before the rear brake housing.
• Route a 750mm wire starting from the chainstay port and out the bottom bracket hole.
• Route a 500mm wire starting from the seat tube front derailleur port and out the bottom bracket hole.
To insert the front derailleur wire, follow the steps in section 5.
• Route a 1000mm wire down from the top of the seat tube and out the bottom bracket hole.
• Install the grommets and clips on the battery, then install the battery/grommet assembly in the seatpost.
• Plug the 1000mm battery wire into the battery, then install the seatpost as described section 6,
page 15.
• Plug the four wires exiting the bottom bracket shell into a Junction B box, then place the Junction B
box and the wires in front of the bottom bracket shell.
To prevent the JCT B box from rattling, wrap the box in a bit of foam before
placing it in front of the bottom bracket shell.