Discover premium replacement rear endcaps for your MTB and Vesper wheelsets from Onyx Racing Products, engineered for durability and perfect compatibility. Designed to enhance the performance and longevity of your bike’s hub assembly, these endcaps are ideal for mountain biking enthusiasts and professional cyclists alike. Crafted from high-quality materials such as lightweight aluminum and reinforced composites, our endcaps feature precision manufacturing that ensures a secure fit and reliable performance. Whether you’re upgrading your drivetrain with XDR or HG11 freehub bodies, or replacing worn components, these endcaps improve wheel stability and optimize hub functionality. Available in a variety of configurationsincluding right 12mm +3.5mm, left preload 12mm +3.5mm, and versatile options for MTB and Vesper applicationsthese components are essential for maintaining smooth, responsive rides. Engineered with advanced manufacturing processes, our endcaps combine strength and lightness, reducing weight without compromising durability. Their sleek design not only enhances the aesthetic appeal of your wheelset but also facilitates quick installation and reliable performance during demanding off-road adventures or everyday cycling. Trust Onyx Racing Products for innovative solutions that elevate your bike’s performance and ensure long-term reliability in any riding condition.