What is a Handbrake?

1 Answers
LaLillian
07/30/25 7:49am
Handbrake is an auxiliary brake, which differs in principle from the main brake system. It utilizes a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Prolonged use of the handbrake can cause plastic deformation of the steel cable. Since this deformation is irreversible, it gradually reduces the effectiveness of the handbrake and increases its travel distance. The handbrake system also includes a return spring. When the handbrake is engaged, the spring stretches, and when released, it returns to its original length. With long-term use, this spring may also undergo deformation. It is a common phenomenon for any mechanical component to experience reduced effectiveness after prolonged and frequent usage.
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