The Hayes Dominion A4 Front Brake delivers exceptional performance by combining cutting-edge engineering and superior materials to achieve unmatched stopping power and feel. Designed with motorsport-inspired features, it stands out as one of the most structurally rigid brake systems, making it the perfect choice for enthusiasts seeking control and reliability in all conditions.
Powerful Performance With Optimal Control
The Dominion A4 brake system is built around a factory-tuned dominion's master cylinder, minimizing dead stroke for a precise and crisp bite point. A stroke dual-port bleed system ensures consistent performance and easy maintenance. The cold-forged caliper and KingPin structural pad retention bolt enhance rigidity, creating a robust and responsive braking system for both trail riders and high-speed adventurers.
Dominion A4 Brake Features
- Tool-Free Reach Adjustment: Fine-tune the structural lever blade pivot srl position for a custom feel.
- Cold-Forged Caliper: Engineered for durability and rigidity.
- Dual-Port Bleed System: Enables easy and efficient purging for consistent performance.
- Kevlar Hose: Enhanced hydraulic system performance across temperatures.
- Sealed Cartridge Bearing Lever Pivot: Smooth and reliable operation with reduced wear, featuring sealed ball bearings for enhanced durability and performance.
- Metal and Semi-Metallic Brake Pads: Included for tailored braking preferences.
- Lightweight Design: Weighs just 310 grams, ensuring balance and agility.
- DOT 5.1 Hydraulic Fluid: Reliable in extreme conditions, delivering less braking noise and smoother operation.
Technical Specifications
- Brake System: Hayes Dominion A4 hydraulic brakes with consistent lever ratio.
- Caliper Design: Four pistons in a most structurally rigid design for stability.
- Hose Length: 900mm, ideal for various bike setups.
- Lever Adjustment: Ergonomic small finger lever design with ride-adjustable reach.
- Bleeding System: Innovative two-stage dual-port purge ensures fast and consistent burnish.
- Weight: 310g, ideal for lightweight setups.
⚠️ Compatibility Note: Hayes front brakes are factory-configured for left-handlebar mounting. They can be reversed for riders using Sur-Ron or Talaria setups.
Designed For Ultimate Performance
The Hayes Dominion A4 Disc Brake represents the pinnacle of braking technology, offering superior stopping power and a featherlight lever feel. With features like the shortest dead stroke and structurally rigid design, it is a game-changer for riders who demand precision and reliability.
Why Choose Hayes Dominion A4 Front Brake?
Unmatched Stopping Power
With its four-piston cold-forged caliper and metal pistons, the Dominion A4 provides exceptional braking force. This ensures precise and confident stopping, even on the steepest descents or in challenging conditions.
Factory-Tuned for Precision
The Dominion's master cylinder is meticulously tuned to minimize dead stroke, offering a crisp bite point and immediate responsiveness. This level of accuracy enhances control, giving you a smoother and safer ride.
Built for Durability
The most structurally rigid design, combined with the robust KingPin pad retention bolt, ensures the brake system can handle the toughest conditions while maintaining top performance.
Easy Customization
With a ride-adjustable reach and tool-free adjustment, you can fine-tune the lever for a personalized feel. The ergonomic design also ensures comfort during long rides.
Effortless Maintenance
The innovative dual-port bleed system simplifies maintenance, making it quick and hassle-free. Plus, the use of DOT 5.1 fluid ensures consistent performance in a wide range of temperatures.
Reduced Braking Noise
Designed with advanced materials and a stable hydraulic system, the Dominion A4 significantly reduces noise, so you can enjoy a quieter, more focused ride.
Versatile Brake Pads
Included metal and semi-metallic brake pads allow you to choose the perfect setup for your riding style and terrain.
Choosing the Hayes Dominion A4 Front Brake means investing in a product that delivers ultimate performance, long-lasting reliability, and the confidence to take on any challenge. From its featherlight lever feel to its consistent lever ratio, this braking system sets the benchmark for excellence.
Kompatibilitet
