Hayes | Dominion A2 Disc Brake | Black/bronze | Front, Pm

Hayes | Dominion A2 Disc Brake | Black/bronze | Front, Pm Hayes Dominion A2 Disc Brake Making power is easy. Making power with the right feel, that was Hayes’ challenge. They did this by creating an all new system. The Dominion master cylinder is factory tuned for the shortest dead stroke possible and a crisp bite point. The Dominion A2 caliper utilizes two pistons in the most structurally rigid design possible. It features a cold-forged caliper and King Pin structural pad retention bolt that increases stiffness. With a motorsports inspired Two-Stroke dual port bleed system, industry leading DOT 5. 1 fluid and Kevlar hose, the hydraulic system is engineered for ultimate performance across all temperatures and easy maintenance. Dominion A2 features the proprietary Quick Bite² system for fast and consistent burnish, coupled with Hayes’ D-Series rotor to manage the heat with less braking noise. If you're on the hunt for a terrific 2-piston brake then the Dominion A2 should be at the top of your list. Features Crosshair Caliper Alignment System dramatically simplifies caliper installment and alignment2 piston system for sufficent power and weight savings Dual caliper bleed ports for better bleed integrity Reach adjustment dial for tool less reach adjustment King Pin pad retention increases stiffness and works in conjuntion with the cold-forged caliper Specifications Lever Material Aluminum Caliper Material Aluminum Rotor Size Compatibility160, 180, 203mm Adjustable Reach Lever Yes Brake Caliper Mount Type Post Mount Fluid Type DOT 5. 1 Fluid Pad Compound Metal Number of Pistons2Rotor Included No Intended Use Cross Country, Trail Weight303 g (100cm Hose And Mount Hardware) | Hayes | Dominion A2 Disc Brake | Black/bronze | Front, Pm Retail Price: $229.99, Sale Price: $123.99 a 46% savings! Order Online Here UPC: 844171074855 SKU: BR001049 FRNT PM BLK_USA_FREE

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Product Review: Hayes Dominion A2 Disc Brake

The Hayes Dominion A2 Disc Brake is a high-performance braking system designed for mountain biking enthusiasts looking for power, precision, and reliability. This product stands out for its innovative features and engineering, making it a top contender in the market for 2-piston disc brakes.

Key Features

• Advanced Master Cylinder: The Dominion master cylinder is factory-tuned for a minimal dead stroke and a crisp bite point, providing immediate feedback upon actuation.
• Robust Caliper Design: The 2-piston caliper is crafted from cold-forged aluminum, ensuring structural rigidity and durability. The King Pin structural pad retention bolt further enhances stiffness.
• Two-Stroke Dual Port Bleed System: This motorsports-inspired feature simplifies maintenance, allowing for better bleed integrity and performance consistency across various temperatures.
• Proprietary Quick Bite² System: This system facilitates fast and consistent burnish, optimizing braking performance right out of the box.
• Compatibility: Works with Hayes’ D-Series rotors, effectively managing heat and reducing noise during operation.
• Adjustable Reach Lever: The tool-less reach adjustment dial allows for personalized lever positioning to enhance rider comfort.
• Weight: Weighing in at 303 g (with a 100 cm hose and mount hardware), it strikes a balance between performance and weight savings.

Benefits

The Hayes Dominion A2 Disc Brake is designed for cross-country and trail riding, making it suitable for a wide range of terrains. Its responsive braking system translates to increased rider confidence, especially on technical descents. The ease of maintenance with the dual port bleed system is a significant advantage for riders looking to minimize downtime.

Potential Drawbacks

While the Dominion A2 offers many benefits, it may not be the ideal choice for riders who prefer more powerful 4-piston systems for extreme downhill conditions. Additionally, the price point might be higher compared to entry-level options, making it less accessible for casual riders.

Comparison with Similar Products

When compared to competitors like the Shimano XT M8120 or SRAM Level TLM, the Hayes Dominion A2 holds its ground with its unique features such as the Quick Bite² system and dual port bleed. However, the Shimano and SRAM options may offer better modulation and are often preferred by riders seeking a more gradual braking response.

Practical Tips for Use

1. Regular Maintenance: Utilize the dual port bleed system to keep your brakes performing optimally. Regularly check and replace the DOT 5.1 fluid to ensure consistent performance.
2. Caliper Alignment: Take advantage of the Crosshair Caliper Alignment System for quick and easy installation, ensuring maximum braking efficiency.
3. Adjust Lever Reach: Make use of the tool-less reach adjustment to customize lever feel to your preference, which can enhance comfort and control during rides.

Complementary Products

Customers often purchase the Hayes D-Series Rotors in conjunction with the Dominion A2 to ensure optimal heat management and braking performance. Additionally, investing in high-quality brake pads specifically designed for the Dominion A2 can enhance stopping power and reduce noise further.

Current Trends and Innovations

The cycling industry is increasingly focusing on lightweight materials and improved braking efficiency. The Hayes Dominion A2 aligns with this trend through its cold-forged aluminum construction and innovative hydraulic system. As more riders seek performance-driven components that also emphasize ease of maintenance, the Dominion A2 stands out as a modern solution in the disc brake category.

Conclusion

Overall, the Hayes Dominion A2 Disc Brake is an excellent choice for serious mountain bikers seeking a powerful and reliable braking system. Its innovative features, combined with a focus on performance and maintenance ease, make it a worthy investment for enhancing your biking experience.