How To Fix Bike Brakes. Now test the wheel. Take the frayed wires and twist them like youd do with a bread tie.

It should be on the brake itself not on the brake lever. When you think its fixed take the bike for a spin and see if this is what you wanted. To adjust hydraulic brakes on a bike you need to centralize the brake caliper.
Now test the wheel.
Next take a wire cap and put it on the end of the once-frayed cables. The pinch bolt holds tension on the brake cable. There are multiple possible causes for the noisy screeching brakes. If it does re-position the wire a bit.
