5
FRAME INTERNAL ROUTING (Di2 WIRING)
FRAME WIRING LENGTHS
(the following lengths are suggestions only):
LOCATION
QTY LENGTH (mm)
DOWN TUBE (SM-JC41 TO SM-JC41)
1
1400
SEAT TUBE (SM-JC41 TO EW-RS910)
1
1200
SEATPOST (BATTERY TO EW-RS910)
1
500
SEAT TUBE (SM-JC41 TO FRONT DERAILLEUR)
1
500
CHAINSTAY (SM-JC41 TO REAR DERAILLEUR)
1
750
HANDLEBAR ( EW-JC130, SM-JC41 TO BOTH
BRAKE LEVERS)
1
50 / 550 / 550
EXTENSIONS (SM-JC41 TO EXTENSION
SHIFTERS)
2
1000
ELECTRONIC SHIFT WIRING - FRAME
There is no bottom bracket port to access the Junction B box.
To connect the wires to the Junction B box, the crank must be
removed, and the bottom bracket may need to be removed,
depending on the bottom bracket type.
3
SM-JC41
EW-RS910
SM-JC41
1400mm
500mm
750mm
1200mm
500mm
B
A
TRAVEL
OPTION
FIG. 3 (Shimano Di2):
Route the wires through the frame.
•
Guide the 1400mm wire through the top of the head tube and down the down
tube to the front side of the bottom bracket shell.
•
Guide the 750mm wire through the drive-side chainstay, then over and to the
front side of the bottom bracket shell.
•
If you’re installing a front derailleur, guide a 500mm wire through the front
derailleur wire port, down the seat tube and to the front side of the bottom
bracket shell.
•
Guide the 1200mm wire down from the top of the seat tube to the front side
of the bottom bracket shell.
•
To remove the seatpost, the EW-RS910 must first be removed and the
1200mm wire unplugged.
TRAVEL OPTION: If the seatpost will be removed repeatedly,
you can replace the 1200mm wire with a 700mm and a
500mm wire (fig.3 A) and an in-line EW-JC200 junction (fig.3
B) connecting the two wires.
ELECTRONIC SHIFT WIRING - BASEBAR
4
1000mm
EW-JC130
SM-JC41
1000mm
FIG. 4 (Shimano Di2):
Route the wires through the basebar.
•
Route an EW-JC130 Y-wire into the basebar, with the 550mm lengths going
to the ends of the basebar.
•
Route two 1000mm e-tube wires through the center hole between the two
spacer stack bolt holes, until they exit the center cavity in the basebar.
•
Plug the 50mm wire from the EW-JC130 Y-wire and the two 1000mm e-tube
wires into the SM-JC41 Junction B box.
ELECTRONIC SHIFT WIRING - BOTTOM BRACKET
5
SM-JC41
FIG. 5 (Shimano Di2):
Plug the wires into the junction box.
•
Guide all four wires through the access hole in the bottom bracket shell and
out of the frame.
•
Plug all four wires into the Junction B box, then place the box and wires back
into the down tube in front of the bottom bracket shell.
The Shiv TT is spec’d with a 68mm BSA threaded bottom
bracket shell. A number of threaded bottom bracket options
are available to work with the Shiv TT in order to use your
preferred crankset.
•
Install the chosen bottom bracket, then install the cranks according to the
manufacturer’s specifications.
