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5.
Loosen flywheel: turn the bike over. Place the handlebar and saddle on
the flat plate with soft objects to avoid scratching, and then remove the rear
wheel, tighten the flywheel. The chainwheel is sharp and needs professional
maintenance, don't operate by yourself.
6.
Brake calipers: Loosen the adjusting nut on the brake fork before the front
brake, adjusting the fine adjustment screw, keep the brake rubber at the minimum
clearance, and tighten the nut. If the adjustment of the brake caliper is the largest,
loosen the locking nut under the brake fork to tighten or loosen the steel rope,
and then tighten the nut. After the adjustment test, if the spring force is not in the
recovery position, loosen the nut in the middle of the brake fork, adjusting the
spring to the left and right to make the spring force uniform, and then tighten the
nut after the brake fork is bilateral symmetry. Also, add a few drops of oil at each
rotating joint to make the front and rear brake flexible and reliable. Please replace
the brake rubber when the it is worn and affects the brake performance.
7.
Chain adjustment: check the tightness of the chain first. If the chain is too
loose, loosen the rear axle nut to move the rear wheel backward. Use the chain
adjusting bolt to properly tighten the chain. In addition, check whether the swing
of the sprocket is too large. If the sprocket is uneven, use a wooden hammer to
knock and adjust it.
8.
Saddle tilt or twisting rattle: tighten the quick release nut first, hold the
saddle right and then close the quick release, if the saddle can still be twisted left
and right, then the joint nut should be tightened.
9.
The handlebars and tires should be checked regularly.
14
TAKE CARE:
When using compressed air,over inflation can burst the tube and tyre.
Never:
inflate a tyre beyond the maximum pressure marked on the sidewall of the tyre.
If the tyre pressure on your tyres is not in kilopascals please refer to the conversion
table on Page.
KILOPASCAL FROM PSI
CONVERSION TABLE
PSI
BAR
KPA
35
2.4
241
40
2.8
276
45
3.1
310
50
3.5
345
55
3.8
379
60
4.1
414
65
4.5
448
70
4.8
483
75
5.2
517
80
5.5
552
85
5.9
586
90
6.2
621
95
6.6
655
PSI
BAR
KPA
100
6.9
689
105
7.2
724
110
7.6
758
115
7.9
793
120
8.3
827
125
8.6
862
130
9.0
896
135
9.3
931
140
9.7
965
145
10.0
1000
150
10.3
1034
155
10.7
1069
160
11.0
1103
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