2. Assembly Instructions
Sonic user manual.indd 6
9/4/2017 3:50:52 PM
4. Handlebar and Stem
The stem connects the handlebar to the fork and
front wheel, and it is very important that these
bolts are tightened correctly. Loosen the top screw
and two clamp bolts on the rear side of the stem,
and ensure that the handlebar is perpendicular to
the front wheel. Hand-tighten the top screw to 12Nm
secure the position, then fasten the two clamp
bolts to 8Nm. Finally, loosen the four clamp bolts
at the front of the stem, adjust the handlebar
position as required, and tighten the four bolts to
5 – 8Nm.
5. Front light*
Loosen the front screw of the stem with 2pcs 4mm alley key,
install the front light bracket into the stem, and fasten the
screws to 6Nm. Finally connect the light cable.
* For the bike with LFC