- Compatible with most bicycles featuring a handlebar diameter ranging from 18 mm to 34 mm, ensuring versatile use across a wide variety of models. - Easy installation: Quickly install and remove the extension holder using just a wrench—no additional tools required, saving you time and effort. - Versatile mounting options: Securely attach phones, bike computers, flashlights, navigation devices, and smartphones to your handlebar, providing easy access to essential gadgets while riding. - Durable construction: Made from high-quality aluminum alloys and carbon fibers, this holder is robust, long-lasting, and resistant to rust, ensuring reliable performance in various weather conditions. Use Scenarios: 1. Use it during long bike rides to keep your smartphone or GPS device within reach for navigation. 2. Attach a bike computer to track your distance and speed, making it ideal for fitness enthusiasts. 3. Mount a flashlight for nighttime rides, enhancing visibility and safety on the road.