What is a single line brake system?

A single line brake system is a type of braking mechanism commonly used in vehicles, where a single hydraulic line connects the brake pedal to all the brakes on the vehicle. When the brake pedal is pressed, hydraulic fluid travels through this single line to activate all brakes simultaneously, providing a uniform braking force. While this system is simpler and lighter, it can pose safety risks; if the line fails, all brakes may become inoperative. It is often found in older vehicles or simpler applications.