A. Use a 4mm Allen wrench to remove the bolt and spring from the brake assembly.(See Figure 1.)
B. Slide the brake pads out of the assembly.
C. Rough up the surface with a wire brush if the pads look glossy.
D. Saturate the brake pads with silicone lubricant after they have been roughed up.
E. Replace the brake pads.
F. Tighten the bolt and spring to the pads only finger-tight. This gives the brake pads a longer life.