Superior protection for medium to high crime areas. The OnGuard Pitbull Locks provide maximum security for your bicycles and scooters. Designed for four-sided protection, the X4P Quattro Locking Mechanism ensures your belongings are securely locked up. The hefty 14mm hardened steel TriRadius shackle resists cutting, prying, and jacking, while also providing more internal space for versatile locking options.The lock features a crossbar and shackle with protective coatings that safeguard their finishes. The X4P Quattro Bolt Locking Mechanism locks the shackle on all four sides, ensuring the ultimate level of security. The Z-Cylinder in the lock is bump-proof and resistant to picking, pulling, and drilling.The rounded design and centred keyway eliminate pry points and provide additional security. The co-moulded crossbar cover and double rubber-coated shackle protect the lock from damage. The all-metal end caps give extra protection against hits and drops.The lock also has automatic keyway covers to help seal the internals against the elements. The X4P Quattro Bolt Locking Mechanism ensures a secure lock every time. The Tumbler Mechanism is a high-quality European type that guarantees maximum security.The 14mm hardened steel shackle diameter provides a robust and sturdy lock. The lock is coated with a co-moulded crossbar cover with metal end caps and a double rubber-coated shackle cover.The lock comes with 5 laser-cut keys, including one with an LED microlight, ensuring you have plenty of spares. The lock also includes an all-tube mounting bracket for easy transportation.With a lifetime warranty and extra features, the OnGuard Pitbull Locks are the ideal choice for securing your valuables.