FOR 31 MM DIAMETER HANDLEBARS ONLY: [Check your handlebar size before ordering]. Our solid construction ensures your bicycle computer remains firmly in place. No more unnecessary vibrations or wobbling distractions-just a steadfast support that keeps your device exactly where you want it for convenient viewing. | COMPATIBLE DEVICES: GPX Series bicycle computer mount is compatible with Edge 25 130 200 500 510 520 530 800 810 820 830 GPS Bike Computer, and Night Provision GPX-Series bicycle headlights. | LIGHT WEIGHT YET DURABLE: Meticulously engineered with a fusion of premium plastic and glass to defy the harshest conditions, from relentless rays of scorching sunshine to moisture-laden environments. Its exceptional design ensures unparalleled durability, while prioritizing the importance of maintaining optimal performance by keeping your weight down to the bare minimum. | EASY TO USE: Designed with your convenience in mind, it's a breeze to set up all by yourself in less than two minutes. Once installed, a simple 1/4 turn, can instantly mount and dismount your bicycle computer, providing you with the ultimate flexibility and control. No more cumbersome adjustments or frustrating mechanisms-just a smooth and efficient experience that keeps up with your active lifestyle. | SLEEK DESIGN: Clean up your handlebar clutter with this GPX Series handlebar computer mount. The short out front extension keeps your components tucked in for cleaner aesthetics. Say hello to a clutter-free ride and a cleaner streamlined appearance for everything you own.