How To Adjust Caliper Brakes On A Mountain Bike. Either the brake mechanism needs lubrication can be solved by putting some oil on the pads or the brake calipers need adjustment. Bike brakes can get sticky for two main reasons.

How to adjust your brake cables. Tighten the hex bolt lightly on both sides. Disc brakeson a road bike mountain bike or cyclocross bikemight seem intimidating but Perejmybida says theyre actually the easiest to adjust.
Turn the barrel adjuster counterclockwise to tighten the brake cable.
Watch how the rotor spins in between the calipers. You might want to disengage the quick-release skewer first. On mountain bikes you have the ability to adjust to two different increments. How to adjust cantilever brakes.
