Collection: Drilled Slotted Rotors
Drilled and slotted rotors are specialized types of brake rotors used in some high-performance and heavy-duty applications, such as sports cars and trucks. They are designed to offer improved braking performance and heat dissipation compared to standard solid rotors. Here's an explanation of drilled and slotted rotors:
Drilled Rotors:
Drilled rotors have holes or perforations drilled into their surface. These holes are typically evenly spaced and extend radially from the center of the rotor to its outer edge. The primary purposes of the drilled holes are:
- Heat Dissipation: The holes help dissipate heat generated during braking. As the rotor spins and the brake pads clamp down on it, friction generates heat. The holes provide extra surface area for heat to escape, preventing brake fade and maintaining consistent braking performance.
- Gas Ventilation: Drilled holes can also help release gases that can form between the brake pad and rotor during heavy braking. This reduces the risk of brake fade and improves braking efficiency.
- Water Dispersion: In wet conditions, the holes can help evacuate water from the braking surface, reducing the risk of hydroplaning and maintaining better contact between the brake pads and rotor.
Slotted Rotors:
Slotted rotors have shallow slots or grooves machined into their surface. These slots are typically parallel to the rotor's center and can be straight or curved. The key advantages of slotted rotors are:
- Improved Brake Bite: The slots help create more consistent and responsive brake "bite," meaning the brake pads make contact with the rotor more effectively. This can lead to better initial braking performance.
- Cleaning Effect: The slots also help remove debris, brake dust, and gas buildup from the brake pad surface. This can maintain better pad-to-rotor contact and reduce the chances of glazing (where the brake pad material becomes smooth and less effective).
- Reduced Noise and Vibration: Slotted rotors can help reduce brake noise and vibration, particularly under heavy braking conditions.