THM Clavicula M3, Instruction Book

Page: 14 / 32

14
Clavicula M³
Assembly
Installing the bottom bracket
Do not use the Clavicula Road in combination with an E-TYPE front derailleur!
The THM socket wrench (1) (fig. 3), which can be used as a torque wrench, can be ob-
tained from us or from your specialised dealer.

Measure the width of the bottom bracket housing of
your bicycle frame.
 Identify the type of front derailleur used on your
bicycle.
 Use the table to determine the correct number of
spacers for both sides of the bottom bracket –
see Spacers , page 13.
 Make sure that the securing bolt of the derailleur
cable guide does not protrude into the bottom
bracket housing by more than 1mm.
 Apply grease to the threads and contact surfaces of
the bearing cups.
BSA/ITA
 Fit the correct number of spacers to the right-hand
bearing cup
(R) .
 Screw the right-hand bearing cup (R) – initially by
hand – into the right-hand side of the bottom bracket
housing using an
anti-clockwise (BSA) or clockwise
(ITA) motion.
 Fit the correct number of spacers to the left-hand
bearing cup
(L) (marked by groove).
 Screw the left-hand bearing cup (L) – initially by
hand – into the left-hand side of the bottom bracket
housing using a
clockwise motion (BSA & ITA) .
(fig. 2)
 Tighten both bearing cups using a tightening torque
of
40N·m (354lbf·in) .

This torque corresponds to a manual force of
approx. 20kg (44lb) at the end of the THM bottom
bracket tool.
(fig. 3)
L R
2
20 kg
(44 lb )
40 N·m ( 3 54 lbf·in )
1
3