Upgrade your ride with Hayes A4 Domination Disc Brake - featuring the shortest dead stroke and a crisp bite point for precise control.Key Features and Benefits:Factory Tuned Master Cylinder: Ensures the shortest dead stroke and a crisp bite point. This results in immediate braking response and enhanced control.Four-Piston Caliper Design: Utilises a structurally rigid design for unmatched stopping power. The cold-forged caliper and KingPin structural pad retention bolt increase stiffness, delivering superior braking performance.Two-Stroke Dual Port Bleed System: Inspired by motorsports, this system, along with DOT 5.1 fluid and Kevlar hose, ensures peak performance in all temperatures and simplifies maintenance.QuickBite² System with D-Series Rotor: Offers fast and consistent burnish, managing heat efficiently while reducing braking noise for a quieter, more effective ride.Tool-Free Reach Adjustment: Allows for easy customization of lever reach, ensuring comfort and control tailored to any rider s preference.Crosshair Caliper Alignment: Simplifies the alignment process, ensuring optimal braking efficiency and performance.Riders seeking uncompromising braking performance will find the Hayes A4 Domination Disc Brake to be a game-changer. Its innovative features, from the Two-Stroke dual-port bleed system to the QuickBite² system, provide reliable, noise-reduced stopping power in all conditions. By integrating top-tier technology and materials, this brake system not only improves your ride s safety but also enhances your control and confidence on any terrain.The Hayes A4 Domination Disc Brake represents a significant upgrade. Its blend of cutting-edge technology and rider-focused design ensures unmatched braking precision and durability. Take  your ride to the next level with this top-of-the-line brake system, crafted for those who demand the best.Please Note: Rotors and mounts are available separately. Comes with 180cm hose.