Fatbike Rims

Premium Carbon Fiber Ultra-light yet tough, with excellent low-temperature resistance for snowy conditions. Snow-Specific Design 80mm wide rim fits 4.0-5.0" snow tubeless tires (max grip); 28mm height balances rigidity and maneuverability. Tubeless-Ready Seamless seal without inner tubes, reducing punctures and maintenance in harsh weather. Customizable & Factory-Direct Personalize colors/logos; factory pricing for better value. Versatile Use Ideal for snow trails, winter mountain biking, and extreme cold environments.

Snow-Ready Design: 80mm width boosts grip on ice/snow; tubeless-compatible, no cold-weather punctures. Carbon Fiber Edge: 40% lighter than aluminum, -30℃ impact-resistant for tough snow trails. Smart Engineering: 25mm height balances stiffness & low wind resistance; disc brake-ready for reliable cold-weather stops. Value + Custom: Factory-direct pricing (save 20-30% vs brands); custom colors/laser engravings available.

These 25mm high, 100mm external width, and 95mm internal width snow rims are a true "buoyancy weapon" for snow riding. The extra-wide internal width is suitable for giant snow tires, increasing the contact area by over 60% compared to standard rims, making them easy to navigate deep snow. The 25mm low profile design enhances handling flexibility, and the UD paint finish remains scratch-resistant and abrasion-resistant even in temperatures as cold as -30°C. The lightweight weight of 750±15g and high rigidity combine to provide powerful performance for snow riding.

The KOIBIKE FB25X65-26ER is an ultra-wide carbon fiber snow rim designed for polar expeditions and all-terrain adventures. Its 25mm rim depth and 65mm outer width, along with a redesigned tire support structure, accommodate ultra-wide snow tires from 3.2-4.5 inches, delivering a "floating" maneuverability on loose snow, sand, and ice. Each rim weighs only 600g (±15g) and is molded from high-modulus Toray carbon fiber. A variety of paint finishes, including UD, marble, 12K, and twill, are available for customization. Directly manufactured in KOIBIKE's own factory, it offers consistent quality and manageable delivery times, making it an ideal OEM/ODM choice for high-end snowmobile brands and the aftermarket.

KOIBIKE's FB25X80-26ER Disc Brake Snow Rim (Fat Rim) features a 25mm height and an extra-wide 80mm outer width, making it suitable for extra-wide snow tires. It offers anti-slip and cold-resistant properties, enhancing flotation and grip on the snow. Weighing an ultra-light 680±15g, it combines lightweight, rigidity, and scratch and wear resistance. Its vacuum-tight design allows for easy installation and excellent airtightness. With a maximum load capacity of 120kg, it meets the needs of various riders and is a high-performance choice for snow riding.