Цитата:
Сообщение от l4p
Updated design with balance weights for noise reduction
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Покопался в инете, похоже для снижения вибраций и как следствие снижение свиста.
Их даже отдельно продают -
http://www.paragon-products.com/brak...351.088.02.htm
Brake Vibration Dampers are important to preventing brake "squealing". The Brake Pad Damper clips into place at the brake piston and is secured to the brake pad with peel and stick adhesive. The brake pad dampers should be replaced when replacing brake pads.
Или вот еще про звуки
Brake Squeal -
One option to help reduce the Brake Pad squeal is to fit Brake Pad vibration damper pads. The vibration dampers are a self-stick fibre material shim that sticks to the back of the brake pad. Some Brake Pads have a spring at the back of the backing plate located in the middle of the pad. The spring fits tightly into the piston with the fibre shim sticking to the back of the brake pad. The theory is that the fibre shim will help cushioning the vibration of the brake pad.