Description
OnGuard makes the meanest, toughest locks in the business.
On the inside, OnGuard locks earn the highest safety ratings with double and quad-locking mechanisms, bump-resistant cylinders, and hardened steel shackles and chains. On the outside, our locks are fully-coated to protect your bicycle or powersport vehicle from scratches and to shield internal parts from the elements, while the bright color scheme sends a clear warning to thieves: don’t even try! And then there’s the extras: all-tube mounting brackets, five laser cut keys, key-code registration, comprehensive anti-theft programs, limited lifetime warranties and the best sales and customer support team in the business.
Mastiff
Mastiff series chain locks provide superior protection for medium/high crime areas and are packed with features
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Chains made of titanium-reinforced, hardened steel links that resist cutting or prying
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Chain cover protects paint and finishes, with an embroidered logo that won’t flake or wear off
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Locking mechanisms secure the lock at multiple points: X4P Quattro Bolt shackles on models with separate shackle; X2P Double Bolt on models with integrated locking heads.
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Locks use Z-cylinder tumbler mechanism that is bump-proof and resists picking, pulling, or drilling
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Co-molded crossbar cover protects finishes and all-metal endcaps provide protection against hits and drops
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Automatic keyway cover helps seal lock internals against the elements
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5 laser-cut keys, 1 with micro-LED
| Lock # | Length | Link Gauge | Lock Diameter | Weight | Locking Mech | Security Rating |
|---|---|---|---|---|---|---|
| 8019L | 6′ | 10mm | 14mm | 9.6 | X4P | 90 |
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