The most common brake rotors are typically made of ______.

A) aluminum
B) cast iron
C) both aluminum and cast iron
D) neither aluminum nor cast iron

Cast Iron

A group of iron-carbon alloys with a relatively high carbon content, noted for their strength, wear resistance, and ability to withstand high temperatures.

Brake Rotors

The disc, most commonly made of cast iron, against which the caliper clamps the brake pads to slow the vehicle.