Pulsar 180 Disc Caliper Assembly Front Bajaj Genuine Parts

Pulsar 180 Disc Caliper Assembly Front Bajaj Genuine Parts 

Pack consists of 1 caliper assembly.

🚴‍♂️ Bike Disc Brake Caliper Assembly Explained

The disc caliper assembly is a crucial component of a bike’s disc brake system. It houses the brake pads and the mechanism (mechanical or hydraulic) that forces them against the rotor (disc) to slow or stop the wheel.

Components

The main components that make up a disc caliper assembly and the system it works with are:

• Caliper Body: The housing that mounts to the bike’s frame or fork and holds the internal parts.
• Brake Pads: Friction material blocks (one on each side) held inside the caliper, which clamp onto the rotor.
• Pistons: In a hydraulic system, these cylinders are pushed by pressurized fluid to move the brake pads. In a mechanical system, a cam or lever arm is used to actuate the pads.
• Rotor (Disc): The circular metal plate attached to the wheel hub that rotates with the wheel.
• Actuation System:
  • Mechanical (Cable-Actuated): A cable connects the brake lever to a lever or cam mechanism within the caliper, which pushes one or both pistons/pads.
  • Hydraulic (Fluid-Actuated): The brake lever is connected to a master cylinder that pushes pressurized fluid through a hose to the caliper, where it forces the pistons to move.

How it Works

When you squeeze the brake lever, the force is transferred to the caliper, where the “magic” happens:

1. Force Transmission:
   • Hydraulic: Fluid pressure from the lever/master cylinder pushes the pistons inward.
   • Mechanical: A cable pulls a lever or actuates a ball-ramp cam inside the caliper, pushing one or more pads.
2. Clamping Action: The pistons/mechanism push the brake pads together, clamping down on the spinning rotor that passes between them.
3. Friction: The friction generated between the brake pads and the rotor converts the kinetic energy of the wheel into heat, rapidly slowing the wheel and the bicycle.
4. Release: When the lever is released, the pads retract slightly, creating a small gap between them and the rotor, allowing the wheel to spin freely again.