The OnGuard Heavy Duty Link Plate Lock K9 delivers U-lock level protection in a compact, foldable format made from hardened steel link plates designed to resist cutting, prying and leverage attacks. Its 7115 mm chain-style construction provides flexible locking options while collapsing into a portable size for easy storage. The high-security Z-Cylinder core offers exceptional resistance to picking, pulling, and drilling. Ideal for commuters, e-bike riders, and anyone needing strong, portable anti-theft security in high-risk environments.