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Sunday, May 23, 2010

Time for Brake Pad Replacement

I realized that my rear brake pads were already rubbing the rotor on my way back to the parking lot during our La Mesa ride last week. It was a perfect excuse to be at the back of the pack and play the laspag role.

When I checked it at home, I discovered that the pistons weren't clamping on the rotors equally. As a quick fix I just added more micro-shims to correct it. (I'm using International Standard brake mounts versus the ideal Post mounts.)

We were in Fully Booked in Bonifacio High Street last night. As the wife browsed through the paperback novel section, I went straight to the sports section and opened a copy of a mountain bike maintenance guide to see how to fix my brakes. I learned that I can actually push the piston back in after removing the pads.

Well, that's what I did this afternoon. True enough, the offending piston went back to original position after pushing it with a flathead screwdriver covered with a rag. After putting back the brake pads and reinstalling the wheels, I pulled the brake levers and realize the it was soft. Slowly, each time I pulled the level, the piston slowly protruded until it finally reached the rotor. This means one thing - my brake pads became thinner over the number of times I used it. It needs to be replaced soon.

Oh well. Maybe I'll visit the bike shop later.

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