Lightweight and durable Made of high-strength aluminum alloy, this bike frame adapter delivers durability with a slim profile that keeps your ride light and streamlined. Quick and easy installation No cutting or drilling required. Attach the adapter to your bike frame in minutes. Eye-catching color options Personalize your bike with blue, red, gold, or silver to enhance its visual appeal. User-friendly telescopic functionality The hand pull design makes it easy to adjust and secure your belongings, providing practical convenience for cyclists. Use scenarios - Daily commuting: Attach the adapter to your bike frame to secure your small bag or belongings while riding to and from work or school. - Running errands: Quickly extend and adjust the holder to accommodate items you need to cart during a ride, then secure them for safe transit. - Weekend rides or tours: Use the telescopic function to adjust capacity for extra gear or light items, keeping everything within easy reach and securely fastened. Compatibility and performance notes - Compatible with standard bike frames that allow mounting on the frame surface described here. - Constructed from high-strength aluminum alloy for a durable, long-lasting solution without adding significant weight.