CL BRAKES Bicycle Brake Pads Sintered Compound + Ceramic Coating - 4058VRX 4058VRXCL Brakes sintered pads are, in short, a synthesis of the best of metal and the best of organic pads, while eliminating the defects of each one of them. Only sintered metal pads can respond to evert needs of the most demanding rider: High braking power Low heating Good reaction to low temperatures Use under water, mud and dust Without noise These are manufactured with up to 10 noble metals (such as bronze, iron, copper ) in addition to other compounds