1, mainly through the brake drum and brake shoe friction braking effect, make the car stop;

2. Brake drum is mainly used in low-end models and big trucks;

3, the brake drum price is low, the braking effect is good;

4, long time downhill braking, will make the braking failure, generally equipped with drench equipment, enhance heat dissipation;

5. The brake drum has a gap that needs to be adjusted regularly, and the two coaxial wheels must be the same, otherwise there will be a risk of brake bias.