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In order to adjust the from or the rear disc brakes you first need to understand the built of a disc Caliper. The Disc Caliper comes with two types of pads, the inner and the outer pad. The outer pad is the moving pad wherein the inner pad is a stationery pad. You will find a wire clamping bolt in the rear of the Disc Caliper and a barrel adjuster in the front. To manage the space between the inner and the outer pads, you will need a 5mm Allen key. To tighten the pads, you will need to use the Allen key clockwise and vice versa.
To adjust the disc brakes, you need to loosen the wire clamping bolt. Post that, pull the cable and make sure that there aren’t any lags in the cable. Always note that the Disc Caliper should be parallel to the disc rotor. You need to slightly loosen the Caliper alignment bolts and then using the 5mm Allen key tighten the inner pad making sure that the disc rotor moves freely without rubbing against either of the pads. Now rotate the wheel and hit the brakes and hold on to it until you finish tightening the Disc Caliper alignment bolts. If you are still facing friction with the movement, try loosening the inner pad so that the disc rotor gets adjusted for frictionless movement. For minute adjustment of the outer pad, you can move the barrel adjuster clockwise to loosen it and anti-clockwise to tighten the outer pad. For an in-depth explanation please check the video below.
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