SKU 45008118
The OnGuard Mastiff 4.9 ft. Chain Lock combines extended reach with dependable heavy-duty protection for bicycles, e-bikes, scooters, and outdoor equipment. The 150 cm (4.92 ft.) chain uses titanium-reinforced hardened-steel square links engineered to resist cutting, sawing, and leverage attacks in demanding environments. Its integrated lock head features OnGuard, AOS X2P Dual Lock Down mechanism, securing both sides of the shackle for enhanced resistance against pulling and twisting. A double rubber-coated lock body helps absorb impacts and protect finishes, while a durable protective sleeve helps prevent scratches and shields the chain from corrosion and weather exposure. An automatic keyway cover helps keep dust and moisture out of the cylinder for reliable long-term operation. Includes 5 precision laser-cut keys.
