First loosen the rear axle nut and turn the adjusting nut
to the left or right to correct the slack of the chain. While
adjusting the chain, you must also keep the front wheel
chain aligned with the rear. After adjustment, re-fix the
rear axle nut, lock the adjustment nut and perform a
final check to make the distance between the two
sprockets is 10-15 mm.
The open end of the chain spring should be opposite to
the chain movement direction
Saddle adjustment:
1. Pull the saddle to check whether the saddle is loose or skewed.
2. When adjusting the height of the saddle, pay attention to minimum and maximum
insert length.
3. Always tighten the saddle clamp after adjustment, and check the saddle before each
ride.
Brake adjustment
1. Check the condition of your brake regularly. To check, while ride normally, hold front then rear
brakes at different times. The rear wheels will lock the motion of bike and the front wheels will
quickly slow down and the bicycle will tip forward.
2. Adjust the distance between the brake pads and the rim to adjust braking effect. Please
consult professional servicing provider if unsure.
3. Replace the brake pads if they are severely worn (more than 2/3), always replace the left and
right brake pads together at the same time.
4. After adjusting the brake, be sure to tighten the brake wire fixing screws
5. Rubber brake pads should not be contaminated with any grease. If they are contaminated
with grease, their braking performance will be greatly reduced, and they must be replaced.
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