Clarks VRX814C Sintered Disc Brake Pads HayesPro DH racer Fabien Barel is a keen advocate of Clarks and has won the World Downhill Championships twice using their products. The major difference with a sintered pad is that ceramic particles and carbon are placed into the compound mix, whilst the resr backing plate is coated with plasma to reduce heat from entering the system. The ceramic compound increase the friction of the pad against the rotor thus increasing the breaking performance. The new sintered compound provides improved bite and noise reduction and gives greater braking both wet and dry. Clarks VRX814C Sintered Disc Brake Pads for Hayes Hydraulic Disc Brakes Sintered Disc brake pads offer excellent braking durability  2 brake pads in each pack so you can replace the pads in one caliper Fits Hayes Hydraulic Disc Brakes