11
WARNING:
Overuse or incorrect use of a front-wheel brake can cause the rear wheel to lift off the ground, resulting in decreased
control of the bike or even flipping the bike and rider in the forward direction; this can lead to serious injury and bicycle
damage. Be careful when applying the front brake, and avoid using it without also using the rear brake. Ideally, both
brakes should be applied at the same time, with the rider moving rearward on the bicycle depending on the amount of
braking pressure applied.
3.6.2 Brake Adjustment
Disc brakes
When the wheel is out of the frame, do not operate the brake lever. With some brakes, the pads automatically adjust their
clearance such that you will not be able to re-insert the disc.
Aligning a mechanical disc brake
1. Loosen or tighten the barrel-adjuster at the lever-end of the brake cable. This will make a small adjustment to the
clearance of the brake pads. If this is insufficient to create the right clearance.
2. Loosen the two alignment bolts but do not remove them. Slowly rotate the wheel and check the space between rotor
and brake pads; adjust the position of the brake pads so that the rotor is not rubbing and is slightly closer to the outer pad
(the clearance between rotor and pad should be just enough to prevent rubbing). Make sure the rotor and pads are
parallel to each other. Tighten the bolts when the adjustment is finished.
3. If the rotor is always rubbing against the brake pads or if there is too much space, you can adjust the brake pad
clearance by loosening the cable-clamp bolt and releasing the cable slightly to increase clearance or tightening the cable
to decrease clearance, then tightening the bolt again.
Note: Ensure that the brake cables are properly inserted into the brake levers before adjusting the brakes.
1.Alignment Bolts
2.Cable-clamp Bolt
3.Barrel-adjuster
4.Brake Modulator
3
4
1
1
2
NCM
PRAGUE 36V
INSTALLATION AND ADJUSTMENT
WARNING:
If the disc rotor is curved or broken, please replace the rotor first.
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