What is a sign that a motorcycle's brake pads may be worn?

When assessing the condition of a motorcycle's brake pads, decreased braking performance and squeaking noises are key indicators of wear. As brake pads wear down, their ability to effectively create friction between the rotor and the caliper diminishes, resulting in a reduced stopping power or responsiveness. This reduction in braking performance can become particularly noticeable during emergency stops or when trying to slow down from higher speeds.

Additionally, the squeaking noises are often caused by the metal backing plate or wear indicators making contact with the rotor, which serves as an alert that the pads need to be replaced. These indicators are often engineered into the braking system to notify the rider before the pads wear excessively and impact safety.

This information contrasts sharply with the other options presented. Increased fuel consumption would not typically relate to brake pad wear, nor would riding discomfort or vibrations during acceleration serve as adequate signs. Those symptoms may suggest other mechanical issues unrelated to braking functionality.