EASILY DETACH - Effortlessly detach the headlamp in seconds for fast, on-the-go lighting needs. ANTI-LOSS DESIGN - Equipped with an anti-loss lanyard to keep your headlamp attached, even in case of a fall. EASY TO INSTALL - Fits stems with M5 or M6 screws, and includes a sports camera interface for expanded functionality. HANDS-FREE LIGHTING - Securely mounts the HC60 UHE and HC65 UHE headlamps with adjustable angles for mountain biking, night rides, and rough terrain.