The On Guard Mastiff Chain Lock, a robust and reliable solution to protect your bike from theft. With its X4P Quattro Bolt Locking Mechanism, this chain lock ensures maximum security by locking the shackle on all four sides. The hardened steel hexagonal link chain is reinforced with titanium, making it highly resistant to cutting or prying attempts.

Not only does the On Guard Mastiff Chain Lock provide top-notch security, but it also takes care of your bike's aesthetics. The chain cover acts as a protective barrier, preventing any damage to the paint and finishes of your beloved bike. Rest assured that the embroidered logo on the chain cover will remain intact without flaking or wearing off over time.

On Guard is a brand known for its value, offering optimal security at a great price. Their bicycle locks incorporate the latest technological innovations, ensuring high-quality construction and ease of use. With different security levels available, you can easily choose the lock that best suits your needs. Whether you're a commuter, student, or family, On Guard delivers reliable locks that provide the meanest security at the nicest price.

Choose the On Guard Mastiff Chain Lock to safeguard your bike and enjoy the peace of mind that comes with superior protection.