Rims

The AM-MA28X40HL-29ER-UL All-Mountain rim/EN-MA28X40HL-29ER-SL is designed for Endurance Racing. With a robust 28mm height and 40mm outer width, it redefines the boundaries of all-mountain riding. The large 29-inch wheel diameter and ultra-light weight of 460 ± 15 grams achieve the perfect balance of strength and lightness for challenging terrain. The 3.5mm offset hole diameter optimizes force distribution, and the UD/Marble/12K/12K twill finish offers both a premium look and scratch resistance. A tire pressure range of 19-29 is compatible with tires 2.25-3.1 inches wide. Both hookless straight-edge and hook-edge options are available. Both all-mountain and enduro versions cover diverse riding scenarios, bringing groundbreaking performance to mountain biking.

The XC-MA25X33HL-29ER-UL is a multi-modal carbon fiber wheel developed by KOIBIKE for modern all-terrain riding. Its extra-wide 33mm outer diameter accommodates tires from 2.0 to 2.45 inches, while its low 25mm rim depth ensures lightweight and comfort. Its rim weight is 330 ± 15g per rim, achieving highly efficient quality control for a wide-body rim. Its innovative 3mm offset hub interface balances spoke tension on both sides of the wheel, enhancing structural symmetry. It supports tire pressures from 20 to 30 psi and is tubeless compatible, making it suitable for Cross-Country, All-Mountain, and Trail riding styles. Its matte UD finish blends the pristine texture of carbon fiber with its environmental durability, representing a structural evolution in high-performance off-road wheels.

The XC-M25X30HL-29ER-UL is KOIBIKE's structural innovation for the next-generation, lightweight, wide-body XC/Trail platform. Its low 25mm frame height maintains lateral stiffness while achieving extremely low rotational mass. Its 30mm external width reshapes the support structure for tires 1.9–2.35 inches, improving tire tension consistency and contact patch. Weighing a mere 260±15g per rim, its high-modulus Toray carbon fiber allows the bike to handle challenging terrain. It supports tire pressures from 21–32 psi and is tubeless compatible, improving impact resistance and grip at low tire pressures. Its matte UD finish blends industrial texture with environmental adaptability, making it the ultimate choice for those pursuing the "light yet not bulky, wide yet not stagnant" riding philosophy.

The XC-M25X27HL-29ER-UL is KOIBIKE's ultra-light carbon fiber rim designed for modern lightweight XC platforms. Its 25mm frame height achieves a precise balance between lateral stiffness and dynamic response, while its 27mm external width optimizes the airbag geometry for 1.8-2.2-inch tires, enhancing grip and predictable handling. Weighing a mere 285±15g per rim, the rim utilizes high-modulus Toray carbon fiber with gradient layup technology to significantly reduce rotational mass, enhancing starting agility and climbing efficiency. It supports tire pressures from 22-31psi and is tubeless compatible, improving puncture resistance on challenging trails. Its matte UD finish combines an industrial aesthetic with weather resistance, making it an ideal choice for XC riders and high-end OEMs seeking ultimate efficiency.

How can you enter the wild world of mountain biking without the KOIBIKE XC-M20X36HL-29ER cross-country mountain bike rim? The 20mm low profile design gives the rim agile handling, like a cheetah darting through the forest. The extra-wide 36mm profile maximizes contact with the ground, boosting grip and ensuring rock-solid stability even in challenging terrain. At only 285±15 grams, it's featherlight, accelerating like an arrow and climbing like a flat surface. The hookless construction optimizes tire contact and reduces rolling resistance for a more effortless ride. The disc brakes provide instant braking response and worry-free safety. The classic UD paint job exudes a carbon fiber texture and is durable and scratch-resistant, making it a reliable and dazzling companion on your mountain adventures.

This 29-inch carbon mountain bike rim features a compact 22mm height and 28mm width design, offering both flexibility and stability. Its ultra-light weight of 300 ± 15 grams significantly reduces wheel burden, enabling effortless climbing and rapid acceleration. Suitable for riders weighing 95-130kg, the disc brake system ensures precise braking. Available in a variety of finishes, including UD, marble, 12K, and 12K twill, it combines performance and aesthetics to easily handle the complex terrain of mountain bikes.

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.