Shimano Ultegra ST-6870 Dealer's Manual page 26

INSTALLATION
Installation of the shifting switch
Align the cut holes in the handlebar tape
with the switches.
4
Wind the handlebar tape.
At this time, be sure to overlap the tape
below the switches.
5
To be continued on next page
Overlap
26
CAUTION
In order to protect the cable, use handlebar
tape to secure the cable. Do not secure the
cable with the binding band or the bracket
for the cycle computer.
The illustration shows an example of how to
wind the handlebar tape.
Wind the handlebar tape on securely so that
the switches do not move.