Features1High Performance Materials: Semi metal particles, synthetic fibers have high efficiency friction and instant braking. High toughness and anti wear, high temperature resistance, no brake disc wear. 2Comfortable Braking: The running in period is short, stable and durable, the disc wear is small, and the braking feel is comfortable. Silent brakes, noise free. 3Stainless Steel Spring: Balanced rebound force, strong rebound! Durable stainless steel shrapnel, quick reset without rubbing the disc, strong and consistent! 4Compact and Portable: Small, lightweight and portable, it does not take up space and can be placed anywhere. Light and durable, safe and secure. 5Heat Dissipation: heat dissipation performance, low thermal attenuation, and can brake on long downhills! Provide healthy and safe riding.SpecificationItem Type: Disc Brake PadMaterial: Resin, semi metalGross Weight: 36g / 1.3ozApplicable: For AVID BB5Package List4 xBikeDiscBrakePad2 x Spring