3. Safe Riding Recommendations
Pre-ride Checklist
Please make sure the brake lever sequence is
correct for your country before riding. In UK, NZ
and Australia the left brake lever is for rear brake
and the right brake is for the front brake. In all
other countries it is the other way: left for front,
right for rear.
Check the tyres for any visible damage.
Check tyre pressures are 40-60psi, and adjust if
necessary.
Check for any loose nuts, bolts, or fixings.
Check brake functions, cable tension, pad
clearance, etc.
Check all electronic functions are ok (functions
detailed later in this manual).
Check the reflectors are in place and the lights are
working (detailed later in manual).
Torque Settings
Check bolts are tightened according to the following
recommendations before you set off for the first time.
a. Seat pillar clamp nut/bolt 5N.M-8N.M
b. Brake cable anchor bolt 5N.M
c. Brake centre bolt 11N.M
d. Seat angle clamp bolt 24N.M
e. Crank axle nuts R:42N.M
L: 46N.M
f. Gear shifter nuts 4N.M
g. Rear carrier nuts 8N.M
h. Mudguard bracket nuts 8N.M
i. Handle bar clamp nut 17-20N.M
j. Quill stem bolt 19N.M
k. Seat tube clamp nut 4-7N.M
l. Rear wheel axle nuts 40-45N.M
m. Quick release front axle. Measured torque
not typically used. Common industry practice is
resistance at lever half way through swing from
open to fully closed.
For all other nuts, the torque depends on the nut
diameter: M4 2.5-4.0N.M
M5 4.0-6.0N.M
M6 6.0-7.5N.M
Note: make sure axle nuts are always done up tight
on both wheels as connections to the motor and the
dropouts can be damaged due to the axle spinning.
Sonic user manual.indd 9 9/4/2017 3:50:56 PM
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