Ensure your semi is Ready for the Road Ahead™ with smooth front and rear brake performance, with the Webb 1.46" U-Type Disc Brake Rotor. After the brake pedal is pressed, this replacement rotor works with the brake pads and caliper to create a compression mechanism that slows the vehicle. Constructed with precision standards to remove defects and provide long-term reliability. FleetPride is your First Click in Heavy Duty®.