How To Stop Your Disc Brakes Squealing – Mountain Bike Maintenance Tips

Here’s how to sort brake squeal either in the workshop or out on the trail.
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Brake squeal can be caused by a number of things.

First up, check your rotors – are they bent or out of shape? If so, an adjustable spanner might do the trick, otherwise, you’ll need to replace the rotor.

Are your rotors clean? Use a disc brake cleaner to make absolutely sure. If you’re out on the trail, try getting some mud on them and braking hard.

On your pads – brake squeal is really likely down to oil or another contaminant on your brake pads. Remove them and have a look. The mud trick might work, and, if you’ve got a blow torch, put the pads in a vice and see if you can boil the oil off.

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