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. Hardened Steel Plate Construction: Multiple reinforced steel link plates are engineered to resist bolt cutters, leverage tools and aggressive tampering in high-theft areas. Compact Folding Design: Lock collapses into a small, easy-to-carry format that fits in a backpack or mounts to your bike while offering extended reach when deployed. High-Security Z-Cylinder Core: Precision locking cylinder provides strong resistance to picking, drilling, bumping, and other common lock attacks for added peace of mind. Flexible Locking Versatility: Long chain-style plate configuration allows secure attachment to racks, posts, frames, wheels or multiple bikes depending on your setup. Built for Portability and Strength: Combines near U-lock security with lightweight, travel-friendly convenience, perfect for daily commuting or e-bike protection.