Overview

EBC SR-21 Series Race Brake Pads

EBC SR-21 Series are ultra-high performance, sintered metal brake pads engineered for competitive circuit racing and rigorous endurance events. They deliver aggressive, high-friction stopping power, exceptional fade resistance up to 925 degrees C (1,697 degrees F), and extended wear life for demanding track conditions.

Key features and performance:

* Sintered Construction: These pads are created using bonded metallic materials, allowing them to bite harder and last significantly longer than semi-metallic alternatives
* Ultra-High Friction: They feature a highly stable, high-friction coefficient, providing aggressive braking right from the first stop
* No Bedding Required: Unlike traditional race pads, SR-21s do not require chemical bedding. You simply mate them to your rotors on-track, and they're ready for immediate threshold braking
* Rotor Friendly: Despite their aggressive bite, a specific "transfer film" technology is used to minimize disc wear, greatly prolonging the life of your brake rotors

Track insights and considerations:

* Longevity: Tests on dedicated endurance race vehicles (such as Champ Car Miats and Mustangs) consistently show extended pad life—sometimes lasting 20-30+ hours of heavy track time
* Bite Characteristics: Drivers note that the SR-21 has a very aggressive initial bite, which is excellent for race cars with brake bias adjustments, but may trigger ABS prematurely on street tires
* Heat Management: Because sintered pads like the SR-21 act as a strong thermal conductor, some users recommend running titanium or stainless steel insulation shims to prevent excessive heat transfer to your caliper pistons

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