Quantity Included: 2 Discs. Yes, it is essential to bed-in new brake discs. This process involves gradually and gently braking to allow the brake pads to seat properly against the new discs. You should consider replacing your brake discs if you experience any of the following signs: excessive squeaking or grinding noises, reduced braking performance, pulsation or vibration when applying the brakes, or if the disc thickness is below the manufacturer's specified minimum thickness.
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