Adjusting mechanical disc brakes

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The brake pad nearest the bike's wheel (inner pad) should be as close as possible to the rotar without actually touching it. If it is too far from the rotar, applying the brakes will cause the rotar to bend. This problem occurs becuase only the brake pad farthest from the wheel (outer pad) moves. In order for the brakes to work, the outer pad pushes the rotar until it also touches the inner pad.

There are two ways of adjusting the inner pad. The first is to screw or unscrew the...??? until the pad is properly the adjusted.

The second...I don't remember.

Once the inner pad is adjusted, further adjustments are made identically to those use for V-brakes or Calliper brakes.