Engineered for ultimate urban bike security the Diamond Standard U-Lock features a 26mm diamond-coated double-layered steel shackle designed to resist angle grinder attacks. Its patent-pending hardened double deadbolt mechanism and highest-security disc-style cylinder offer superior protection against twist cut pick and drill attempts. With built-in features like a sliding dustcover protective vinyl coating and the FLEXFRAME-U bracket for easy transport this lock is built for real-world durability. It also includes 3 stainless steel keys a Key Safe Program and 5 years of free Anti-Theft Protection Offer (ATPO).Diamond-Coated 26mm Shackle provides double-layered steel that resists angle grinder attacks and maximizes cut resistance Hardened Double Deadbolt & Disc-Style Cylinder features a patent-pending design that defends against twist pick and drill attacks Built for the Streets includes FLEXFRAME-U bracket sliding dustcover protective vinyl coating and 3 stainless steel keys Peace of Mind with 5-year free ATPO Key Safe Program and tested performance in real-world urban conditions
