Mastiff 8021 Chain Lock

ONGUARD Mastiff 8021 Chain Lock

Security-grade chain lock designed for heavy-duty protection of bikes, scooters and equipment. The Mastiff 8021 pairs a titanium-reinforced hardened square link chain with ONGUARD's integrated X2P Dual Lock for robust cut resistance and reliable locking performance.

• Chain: 110 cm x 10 mm (6' x 0.39") hardened square link with titanium reinforcement for increased strength
• Cover: Double rubber cover protects paint and reduces noise from bumps and hits
• Lock: Integrated X2P Dual Lock mechanism for enhanced pick and hammer resistance
• Keys: Includes 5 laser-cut keys — 1 micro-light key with bright white LED, plus 4 extra grip keys for convenience

Ideal for commuters and urban cyclists seeking a balance of portability and high security. The Mastiff 8021 offers durable materials and smart features to keep your ride protected day and night.