Factor OSTRO Assembly Manual page 13

4-11
Insert anti-compression plug into the gap in front of
the fork steerer and the apply assembly compound
around it.
4-14
Preload the headset to remove excess play.
4-12
Install the top cap cover.
4-15
Torque the barstem to 5.2Nm
Assembly Manual
4-13
Note that the notch on top cap sits in
between the slot on the back of the barstem.
09