
●The best gap between the brake shoes and the rim is 1.5mm.
●The best position of brake wire stand is that it not to touch the front mudguard.
5): Rear brake adjustment
See in reference illustration C and D,adjust for rear brake:
●Loose nut and pull-rod nut of the adjusting screw, unscrew the adjusting screw, while meantime,
hold the brake to make sure its position is on the1/3—1/2 of total distance in order the rear brake
shoe cling to the centre of the brake to reach ideal braking effect, and then screw down nut and the
pull-rod nut.
6): Wheel hub tightening Adjustment
When you tighten the wheel hub, the fasten torque should be as below:
●For front wheel hub, the fasten torque can not be less than 40-45 N.M
●For rear wheel hub, the fasten torque can not be less than 18-20 N.M
★Attention: Front wheel hub axle collets nut can not be over-tightened, otherwise it can cause warping
at the front wheel (not be smooth & round)
7): Adjustment of Chain(See picture E)
The chain may become loose after long-time riding, when you find this problem, you can unscrew the
nut of rear hub axle; tighten the chain adjustor for tightening the chain. Pull the chain down 10-15mm
to its best tension. Hold the pedal and rotate on anti-clockwise, the chain should be in normal state:
(rotate well, without abnormality, without noise). Tighten the screw of the rear hub axle again.
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