The OTR 430mm Air Disc Brake Rotor keeps you Ready for the Road Ahead™, as an optimal solution to your brake pad replacement needs. This brake rotor boasts high carbon alloy that provides durability and improved heat dissipation to eliminate brake fade and boost the life of your brake pads. This heavy duty air disc brake rotor also features attached ABS rings made of non-corrosive metals topped with an anti-corrosion coating. As a result, you receive superior stopping power for your semi truck, keeping you and others safe on the road. FleetPride is your First Click in Heavy Duty®.