What is the purpose of a motorcycle's anti-lock braking system (ABS)?

The purpose of a motorcycle's anti-lock braking system (ABS) is to prevent wheel lock-up during emergency braking. When a rider applies the brakes suddenly, there is a risk that the wheels can lock up, leading to a loss of control and the potential for a crash. ABS works by modulating brake pressure, allowing the wheels to continue to rotate while still slowing the motorcycle down effectively. This system helps the rider maintain steering control and stability, especially in critical situations where quick stopping is necessary.

The other options do not accurately represent the function of ABS. For instance, while riding techniques and tire choices can enhance traction on wet surfaces, ABS specifically focuses on braking effectiveness and control rather than grip enhancement. Similarly, increasing fuel efficiency and enhancing acceleration are generally related to engine performance and rider management rather than braking systems.