6061-T6 aluminum alloy bike handlebar extender with CNC machining and III grade hard anodized surface for strength, durability, and corrosion resistance. Key features and specifications - Extension length and size: 8 inches (203 mm) long with a diameter of 0.87 inches (22 mm). - Clamp base compatibility: fits handlebars with diameters 0.875 inches (22 mm), 1.0 inch (25.4 mm), 1.125 inches (28.6 mm), and 1.26 inches (32 mm). - Adjustable fit with rubber ring inserts: includes four soft rubber ring inserts to provide a snug fit and protect the mounting surface. Ring pads diameters: 0.875 inches (22 mm), 1.0 inch (25.4 mm), 1.125 inches (28.6 mm). You can add or remove inserts to match handlebar size. When no insert is embedded, the clamp base hole diameter is 1.26 inches (32 mm). - Secure mounting against vibration: the mounting clamp base uses a rubber insert and a lock bolt to prevent loosening in high vibration applications. - Installation: set includes an Allen key for easy tool-less alignment and secure tightening. Benefits and practicality - Improves control and leverage by extending the handlebar position, enabling a more comfortable riding posture on longer rides or technical terrain. - Maintains compatibility with a wide range of common handlebar diameters, reducing the need for multiple adapters. - Durable construction with CNC precision and a hard anodized finish delivers long-term reliability in challenging riding conditions. - The combination of rubber inserts and lock bolt provides a secure, vibration-resistant attachment, minimizing movement during aggressive riding. Use scenarios - Mountain biking on rough trails and descents where increased reach and leverage enhance handling and rider control. - Road, gravel, or touring bikes needing reliable adaptation to different handlebar diameters while maintaining a secure, vibration-resistant mount. - Long-duration rides or commutes where a stable, extended handlebar position improves comfort and reduces fatigue, especially on bikes with varying bar sizes or aftermarket components. Note: All specifications are provided to match the original product design and intended use, without alterations to size, material, or mounting method.