In the context of passenger cars, brake squeal is considered as a comfort problem only, i.e. the noise generated by
the brake system does not interfere with its function but is detrimental to the passenger’s comfort and lowers the
subjective quality of the vehicle. This is quite evident due to the small vibrational amplitudes. However, there are
examples in connection with lightweight design rims, in which squeal, i.e. a self-excited vibration of the brake system, may
cause safety-relevant failures of the vehicle. A very drastic incident is the failure of spokes of wheels with large diameter,
like custom wheels for cars, bicycles and motorcycles due to hub vibrations caused by brake squeal. Similar symptoms of
fatigue can be observed on other vehicles with lightweight design rims featuring low damping. To the