How To Loosen Mountain Bike Disc Brakes

Basic servicing of mountain bike disc brakes.

How to loosen mountain bike disc brakes. So in dry weather and on dry pavement they stop equally well. Mountain bike disc brake modulation is the smooth progressive application of braking. No need to remove it just loosen. Spin the wheel and eye the disc and calipers to ensure the rotor is centered and not rubbing.

Just so you can actually wiggle it back and forth. Inspect the caliper and find both of the 1 8 inch 0 32 cm hex bolts that hold the caliper to the frame. Take the bike for a test spin. What i want you guys to do is loosen the two bolts holding the brake caliper to the frame just do front and back one at a time first.

So you can loosen this side i m sorry tighten this side a little bit. The last test was in wet weather and the disc brake bike stopped 7 meters sooner than the rim brake bike. Loosen the cable further if necessary. Disc brakes aren t affected by a bent rim or a wheel that is out of true.

Loosen the 2 bolts on the side of your caliper if the brakes rub. Sometimes the pads in hydraulic disc brakes can rub because the pistons get pushed out too far especially if the lever is applied without a rotor or spacer between the pads. The disc brake bike stopped 3 meters sooner than the rim brake bike. Allow the cable to loosen slightly and resecure the nut.

Loosen the screw counter clockwise to move the brake to the left and decrease spring tension. Gradually apply the brakes several times to break in the rotors. How to stop your brakes rubbing mountain bike maintenance duration. Directions assuming you are standing on drive side of bike tighten the screw clockwise to move the brake to the right and increase spring tension.

This video is intended as a guide only. If you can hear your disc brakes rubbing as you drive your bike around it s a sign that the brakes are too tight. Disc brakes are self adjusting and don t need adjustment until it s time to replace the pads. Using an adjustable wrench or an allen hex wrench loosen the nut holding the brake cable to the brake itself.

But as the conditions worsen disc brakes are clearly better. A bent rotor is cheaper and faster to replace as compared to a wheel and rim. The recommended way taken from zinn and the art of mountain bike maintenance is as follows. Northrock bikes presents this video describes steps for making basic adjustments to your bike s disc brakes.

Spin the wheel to test for rubbing. Use the phillips screwdriver to tighten or loosen the tension screw and make the adjustment.