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Hayes Dominion A2 disc brake black/bronze

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  • Expanding on our award-winning Dominion A4. Our newest brake, Dominion A2, targets Cross Country and Trail riders. Dominion A2 features a two-piston caliper. Dominion A2 includes all the performance from the Dominion A4, utilizing a compact, two-piston caliper. With the SFL option, the Dominion is the ideal brake option for any rider with smaller hands. Hayes product development team set out to design a brake system specifically designed for a smaller ergonomic profile.
    Dominion SFL maintains all the power and feel of our proven Dominion A4, and accomplishes this using a specifically designed smaller and narrower brake lever. Dominion SFL can be used in conjunction with either our Dominion A2 two-piston caliper or our Dominion A4 four-piston caliper. With optional lever sizes and two caliper choices, Dominion from Hayes Disc Brake now offers a brake that's ideal for your application.
    Dominion A2 features the proprietary QuickBite² system for fast and consistent burnish, coupled with our D-Series rotor to manage the heat with less braking noise.

    • Weight: 303g (100cm hose and mount hardware)
    • DOT 5.1 Fluid
    • Tool-Free Reach Adjustment
    • 2-Stroke Dual Port Bleed System
    • Sealed Cartridge Bearings Lever Pivot
    • 100cm Front Hose Length
    • 180cm Rear Hose Length
    • Rotors and Brackets not included
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  • Show all items from HayesHayes Bicycle Group is a manufacturer of high-performance bicycle components, including disc brakes. The company was founded in 1991 and is headquartered in Grand Rapids, Michigan. Over the years, Hayes has established a reputation for producing durable and reliable disc brake systems for a variety of cycling applications, from cross-country mountain biking to downhill racing.

    Hayes offers a wide range of disc brake models to suit different riding styles and preferences, including hydraulic and mechanical systems. Their hydraulic brakes use a closed system of mineral oil to transmit braking force from the lever to the caliper, resulting in a smooth, consistent feel and increased modulation. Their mechanical disc brakes, on the other hand, use a cable actuation system, making them more economical and easier to maintain.

    One of the key features of Hayes disc brakes is their use of four-piston calipers, which provide more stopping power than traditional two-piston designs. This makes them ideal for use on steep and technical terrain, where stopping power is essential. Additionally, Hayes uses high-quality materials in the construction of their disc brakes, such as heat-treated aluminum and stainless steel, to ensure durability and longevity.

    Hayes also places a strong emphasis on product development and innovation, and they regularly release new and improved disc brake models. For example, their latest hydraulic disc brake system, the Code RSC, features a more compact design, improved modulation, and increased power, making it a popular choice among mountain bikers and enduro riders.

    In conclusion, Hayes Bicycle Group is a respected and trusted name in the bicycle industry, known for producing high-quality disc brake systems for a variety of riding applications. With a commitment to innovation, quality, and durability, Hayes continues to set the standard for disc brake technology in the cycling world.
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