Feature●Compatible With Shimano SAINT M810 820 ZEEM640 QUADIEM Four Piston Brakes.Semi-Metallic,Resin:Strong Copper based metal material disc brake pads for maximum initial bite.●If you do not know whether it is compatible with your brakes, please directly look at the shape of your original brake pads. If the shape is the same as the original brake pad shape, you can use it.●Short break-in period,Stable and Durable. Low disk wear and comfortable braking feel,low noise.●Wear resistant,Brake strength,Corrosion resistance,High temperature resistance and long working life.●Smooth braking offers predictable and progressive power,offer better modulation.Description Bike Brake Pads