FOUR PISTON
XII
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Overview
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Specification
* The main components of the integrated cold calcined aluminum block CNC processing and forming, to achieve the maximum steel change;
* Four-piston clamp, titanium alloy piston, patent large-area ventilation and heat dissipation design;
* Synthetic Mineral oil, with stable braking performance under various conditions;
* The turn point position of the handle all adopts the bearing direct push design, the piston stroke is adjustable, and the brake linear feel is fine;
* To brake the patent cooling hole design, feel comfortable;
* Convenient and simple tubing connection system, fast and easy installation, easy maintenance;
* Brake type: Hydraulic Disc Brake;
* Tubing length : front 90cm / rear 175cm
* Piston type: four piston
* Brake weight: front 287g / rear 306g
* Tubing interface: five-line body
* Brake oil: Mineral oil
* Brake handle: 2
* Applicable disc (excluding): 180mm~220mm
Take a Closer Look
HOW WE MADE IT
Global approach
Since entering the cycling industry in 2019, FEREI has been at the forefront of carbon fiber wheelset innovation and design. Guided by our proprietary technologies and distinctive design philosophy, we continuously refine every detail to stay ahead of the curve — delivering wheelsets that redefine performance and reliability. At FEREI, our vision is global, and our pursuit is excellence. Each wheelset is crafted to achieve the perfect balance of lightness, strength, stiffness, aerodynamics, and rotational efficiency — empowering riders to experience speed and control at their absolute best.
Engineered in the Carbon Belt
When our engineers envision a new product, they design not only the wheel itself but also the entire industrialization process behind it. Drawing on our deep roots in carbon fiber manufacturing, we develop all the production equipment required to build our wheelsets — including custom machinery, molds, and precision tools — as well as the testing systems used for continuous improvement and validation. This complete control over both product design and manufacturing ensures that every FEREI wheelset delivers the performance, reliability, and exceptional value our riders expect.
Validated by the greatest champions
Our long-term partnership with Red Bull extreme sports riders allows us to test and refine our products alongside some of the world’s top athletes. Through these real-world, high-intensity experiences, we continuously push the boundaries of performance, durability, and precision. Beyond our collaboration with Red Bull, many professional and amateur athletes — not only those officially sponsored by us — choose FEREI products to upgrade their performance. This trust from the community stands as the strongest proof of our product quality, reliability, and commitment to excellence.