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Brake Shoes. 1  Brake shoes are at the heart of a drum brake system and are the old school approach to slowing cars and trucks down. Drum brakes have been in use since the creation of automobiles and can still be found on the rear axles of some trucks and small cars due to their simple design and incredible durability.
Brake Drums. Drum brakes were standard equipment on cars and trucks for decades, then in the 1970s they were relegated to the rear axle by front disc brakes. Today most vehicles have four wheel disc brakes, but drum brakes are still used at the rear on many trucks and non-performance cars.