- 5 2 -
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 fitting the connected Di2
Junction B into the hole in the
bottom bracket and plugging with
supplied bottom bracket plug as
pictured.
Junction B
Step 5