Fig. G-1 Pull cable and tighten
To align the caliper, securely attach the wheel according to the bicycle owner’s manual, pull the brake lever
firmly and hold to self-align the caliper on the rotor while tightening the caliper mounting bolts with a torque of 5-
7 Nm (Fig. G-2).
NOTE: Tightening torque is 6-8 Nm(5mm) for post mount.
NOTE: NEVER activate the brake system without a rotor or caliper service blocks in place as this will require re-
bleeding of the brakes (See Section I)
Release the lever and check that the pads are aligned equally and that the wheel spins freely without contact
between the rotor and brake pads.
Pull brake lever 10 times to stretch cable and seat housing to ensure there is no air inside the hydraulic system.
New cables will stretch slightly after initial installation, repeat the cable tightening process to maintain proper
performance.
NOTE: If air is identified in the system, please refer to Section I in this manual
H) Changing Brake Pads
WARNING: Important: Operating Giant Hydraulic braking system without out using authorized GIANT braking
pad will void your warranty. Using unauthorized braking pad may lead to unpredictable braking performance, this
may cause serious injuries or possibly death. For Recommended brake pads please consult an authorized GIANT
dealer.
CAUTION: Pad should be replaced when total thickness is less than 2.5mm (friction material & metal plate)or
the pad wear indicator appearance. (Fig. H-1)
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