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To create directional stability while stopping the front brakes are designed to do more work than the rear brakes. Therefore you will wear out your front pads faster than your rear pads. Also your front wheels get dirtier faster than your rear wheels as a result of the faster pad wear. When you use your brakes not only do the pads wear but so do the rotors. The rotors wear more slowly than the pads wear. As a rule most of our customers will wear out 2-3 sets of pads for every set of rotors. Below is a diagram of a worn rotor and an animation of the rotor wearing thinner where the pad pushes against it. |
| Once the rotor wears below a minimum thickness the disc will no longer absorb the heat created by friction during braking and the rotors become warped. This leads to vibrations while braking, felt in the steering wheel if the front discs are warped and through the body of the car if it is the rear discs. The more warped the rotors become the more violent the vibration is. |
