It’s better to install the cable housing
before installing the bottom bracket,
crank and fork.
Rear derailler: Pass the cable housing
inside the frame starting at the rear
derailler hanger until it comes out the
top tube.
Front derailler: Remove the cable guide
(9) under the bottom bracket. Pass the
cable housing inside the downtube
until it comes out the top tube.
Add a plastic cap at the end of the
housing, pass the rear derailler cable
inside the housing and fix the cable
guide under the bottom bracket with
the 5mm screw (1.5 Nm).
For a Di2 configuration, use the bottom
bracket dedecated cover (10) for
electric shifting.
10
NITROGEN 231A/231B: 3.
Cable housing installation (continued)
9
10