[. . . ] Using the tab in the center of the pad backing plate, pull the pad toward the center of the caliper and out. Using the boxed end of a 10mm wrench, push the caliper pistons back until they bottom. [. . . ] Take care not to push on the aluminum post in the center of the piston. purchased as an aftermarket item. When you need to install any of the disc brake components, a qualified technician with the proper tools should do that installation work. Warning: When following any of the procedures below, be sure to keep your hands and fingers from getting caught in the disc. Always allow components to cool before attempting to service your bike. Caution: Don't push on the post in the center of the piston because that will bend the post. Walk the piston back and forth until the piston is all the way back in the bore. Note: There are two different brake pads, an inner and outer (or a right and a left). Use the tab in the center of the pad backing plate to push the new pads into place. Check that it spins freely and that the gaps, between the pad and the disc, are equal. If the gaps are unequal, or there is drag, readjust the caliper position by loosening the mounting bolts and adjusting the caliper as needed. Hint: A white piece of paper can be used as a background to help sight down the disc looking for equal clearance between the pads and the disc 7. When the gaps are equal and wheel spins freely (without drag), torque the mounting bolts to 110 in-lbs (12. 43 Nm). Mount Brackets Note: Mounting the brake disc to the wheel is a simple matter, but one that requires care. If the wheel has to be rebuilt, have it done by a qualified technician using a 3 cross spoke pattern. Be sure that the arrow on the disc is pointing in the same direction of the forward wheel rotation. [. . . ] If the wheel has to be rebuilt, have it done by a qualified technician using a 3 cross spoke pattern. Be sure that the arrow on the disc is pointing in the same direction of the forward wheel rotation. [. . . ]