Galfer FD549 Hayes Dominion A4 Brake Pads Precision braking for every system. Galfer's decades of braking system expertise translate directly into brake pads that deliver. The FD549 is designed for Hayes Dominion A4 brakes, giving riders more power, control, and better performance from their Hayes system. The pad is engineered from an organic semi-metal material that combines progressive braking feel, minimal noise, and reduced disc wear, and is available in a range of compound types to suit riders with different needs or who ride in varied conditions. With over 60 years of braking system expertise, Galfer's MTB compounds are developed to handle the demands of mountain biking while maintaining consistent performance throughout the pad's life. Organic semi-metal construction with non-asbestos materials engineered specifically for bicycle braking Progressive braking feel delivers predictable modulation and rider confidence Minimized noise and vibration through optimized compound design Reduced disc wear with efficient heat management SPECIFICATIONSPad Type Organic semi-metal (non-asbestos)Brake System Compatibility Hayes Dominion A4GALFER BRAKE PAD COMPOUNDSCompound Model Code Best For Performance G1053 (Black)Universal riding, all conditions. Ideal for trail, all-mountain, enduro, gravel, and road Advanced G1851Extreme terrain conditions with mud and water. Maintains braking power in wet, dirty conditions Pro G1554T (Green)Competition and high-temperature riding. No bedding-in required. Maximum braking power E-Bike G1652 (Purple)Electric bicycles (ECE R-90 approved). Engineered for added weight and speed of e-bikes Sintered G1398Bike trial. Aggressive and progressive braking. Equal performance in wet and dry | Galfer | Fd549 Hayes Dominion A4 Brake Pads | Black | Performance (G1053)