Flame discs are manufactured to the tightest tolerances and specs using a specially hardened premium quality stainless steelMaterial guarantees extremely little rotor wear and high-performance brakingFlame discs are laser cut, CNC machined and precision double grinded for perfect fitment and flatnessThe flame design aids in the cooling and cleaning of the contact surfaceDiscs can be used with any type of brakepad, including sintered, aramid, and ceramic carbon pads