Exclusive SilentGrip™ Low Resin Ceramic formula provides superior braking performance (Smooth Friction, Extreme Temperature Stability, Quicker Compound Cooling) while maintaining low dust and noise, Exclusive MetalliX™ Low Resin Semi-Metallic compound provides unmatched braking performance (abrasive friction, high temperature tolerance, quicker compound warming) while maintaining low dust and noise, Fiber-Reinforced Multi-Layer Shim with rubber core eliminates noise, vibration, and harshness for complete quietness, Engineered with High Carbon SteelRX™ alloy (Pressure Resistant, Thermal Conductive) and dipped in an Anti-Rust Black Paint to improve durability, One-Piece Integral Molding Technology improves the durability of the shoes and extends the service life, Precise laser-cut channel cut provides superior thermal stability and prevent overheating, True Arc-Ground grinded for perfect friction-to-drum contact and increased torque, TRUE