The OnGuard Link Plate Lock K9 Key delivers U-lock level protection with the convenience of a compact folding lock. Constructed with hardened steel link plates, this lock provides strong resistance to cutting, sawing, and leverage attacks. The advanced Z-Cylinder ensures enhanced security by resisting picking, pulling, and drilling. A double rubber-coated outer layer protects your bike&&';;s finish, while the folding design packs down small for easy transport. Includes five keys, a frame mounting case, and hardware for fast installation-making it a reliable security solution for daily riders, commuters, and e-bike users. Hardened Steel Link Plates for High Security: Folding plates provide U-lock style protection while boosting flexibility for securing bikes in tight or awkward spaces. Compact Folding Design for Easy Transport: Folds down small into the included frame mount case for quick access and ultra-portable everyday use. Z-Cylinder Anti-Theft Core: Advanced locking cylinder resists picking, drilling, bumping, and pulling attempts for enhanced security. Double Rubber-Coated Body Protection: Thick rubberized cover prevents scratches, dents, and frame damage while helping reduce noise during transport. Complete Security Kit Included: Comes with five heavy-duty keys plus a frame mount and hardware for stable, rattle-free on-bike carrying.