Ultra-lightweight design optimized for cross-country and trail riding, making the Onyx Vesper Rear Hub the perfect choice for competitive cyclists seeking reduced rotational weight without sacrificing durability. Constructed with high-precision ceramic hybrid bearings, this hub delivers smoother rotation, enhanced speed, and less rolling resistance on challenging terrains, ensuring you stay ahead of the pack. Equipped with Onyx's patented sprag clutch technology, the Vesper hub provides instant power transfer and eliminates the traditional ratcheting noise, offering an ultra-quiet, responsive ride with maximum control. Built with durable sealed cartridge bearings and a robust 12mm thru-axle, this 32H, 6-bolt disc brake-compatible hub is designed for reliable performance on technical climbs and aggressive descents across rugged terrain. Featuring a sleek black finish and HG cassette compatibility, the Onyx Vesper Rear Hub combines innovative engineering with a clean aesthetic, elevating both the style and performance of your mountain bike build. Upgrade your mountain biking performance with the Onyx Vesper Rear Hub - engineered for cross-country and trail enthusiasts seeking lightweight agility and exceptional control. Featuring a 12 x 148mm thru-axle and 32-hole J-bend spoke interface, this hub offers seamless compatibility with modern disc brake systems and wide boost spacing, making it ideal for aggressive off-road riding. Materials & Performance Engineering: Constructed with black anodized aluminum, the Onyx Vesper Hub blends durability with lightweight design, weighing just 420 grams for optimized rolling efficiency. Its sealed cartridge bearings incorporate ceramic hybrid technology, providing reduced friction, increased longevity, and effortless spin for faster acceleration and sustained momentum over challenging terrains. Innovative Components & Technology: The hallmark of the Vesper series is Onyx's patented sprag clutch system - a game-changer in bicycle hub technology that eliminates the ratcheting noise common in traditional hubs, delivering instant engagement and crisp power transfer. This design ensures precise torque delivery, giving you absolute control during aggressive climbs or rapid descents. The HG cassette body enhances compatibility with a wide range of drivetrain setups, accommodating 11-speed groups for versatile gear options. Style & Use Case: Sleek black aesthetics complement any MTB build, while the six-bolt disc brake compatibility ensures reliable stopping power in all trail conditions. Whether you're tackling technical rock gardens or soaring downhill sections, the Vesper rear hub provides the performance, control, and lightweight feel essential for competitive XC racing or trail riding. Key Features: - Ultra-lightweight design optimized for cross-country and trail riding - Onyx's patented sprag clutch for instant engagement and silent operation - Ceramic hybrid sealed cartridge bearings for smoothness and durability - 12mm thru-axle with Boost 148mm spacing f