OnGuard Bulldog ATB U-Lock – Heavy-Duty Wide Crossbar Bicycle & Scooter Lock, X2P Double Bolt System, 11–13mm Hardened Steel Shackle, Anti-Theft Z-Cylinder, Rubber-Coated, 5 Keys, Mounting Bracket

OnGuard Bulldog ATB U-Lock – Heavy-Duty Wide Crossbar Bicycle & Scooter Lock, X2P Double Bolt System, 11–13mm Hardened Steel Shackle, Anti-Theft Z-Cylinder, Rubber-Coated, 5 Keys, Mounting Bracket

• Wide Crossbar Clearance for Flexible Locking: Designed with an expanded crossbar width to secure ATBs, scooters, and thicker frames with ease, offering more locking options in crowded racks or urban environments.
• X2P Double Bolt Locking System: Dual-sided shackle engagement provides superior resistance against pulling, twisting, and prying attacks, giving your bike or scooter next-level security in medium to high-risk areas.
• 11–13mm Hardened Steel Shackle: Heavy-duty steel construction resists cutting, jacking, and leverage attacks. Rounded, centered keyway eliminates common pry points and improves long-term tamper resistance.
• Advanced Z-Cylinder Anti-Theft Core: Precision cylinder is bump-proof and engineered to resist picking, pulling, and drilling. Double rubber-coated crossbar cover protects your bike’s finish, while molded end caps absorb impacts.
• Complete Security Kit Included: Comes with 8 laser-cut keys (including 1 micro-LED key for night use) plus a versatile all-tube mounting bracket for convenient transport on virtually any bike frame.