Sometimes that brake squeal is your fault. You were an idiot and you used some spray lube on your chain and the overspray touched your rotor. Or worse, maybe you religiously clean your bike with a silicone based bike polish and the overspray touched your rotors. If that’s the case then I’d suggest acknowledging that you may have OCD and go seek professional help. But that’s not what this article is about. There’s lot of information online about torching your pads and rotors to get rid of the bullshit you got on there. This article is about solving that brake squeal when it isn’t your fault.