Operation Manual

Front
Rear
1
2
3
4
a. Plug front and rear derailleur wires (1&2) into
junction box (Rear).
Plug battery wire (3) and shifter wire (4) into
junction box (Front).
b. After, fit the connected Di2 Junction B into
the hole in the bottom bracket and plug with
supplied bottom bracket plug as pictured.
Plug Di2 wire into battery mount.
Junction B
Step 5
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