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Drum brakes offer several advantages that contribute to their continued use in vehicles, especially in the rear braking systems of many cars and trucks. One major benefit is their superior performance in terms of heat dissipation. The enclosed design of the drum allows for better heat management compared to disc brakes. This means they can withstand higher temperatures generated during braking, making them less prone to fading under heavy use.
car drum brake system

The braking system of any vehicle is crucial for maintaining safety and control. One key component of this system is the brake drum, which plays a vital role in the braking mechanism, especially in vehicles equipped with drum brakes. Understanding the concept of maximum allowable brake drum diameter is essential for mechanics, vehicle manufacturers, and drivers alike, as it has significant implications for vehicle safety and performance.