Brake Disc or Rotor

Brake Disc or Rotor Points : Brake Disc or Rotor The brake disc is also known as brake rotor. It uses friction from the brake pads to slow or stop wheel rotation. The brake disc is normally made of cast iron. It may be an integral part of he wheel hub. However many front wheel drive cars have the disc and the hub as separate units. The brake disc may be solid or ventilated rib allows cooling air to circulate inside the disc.