About Mastiff Chains:

The Mastiff Series offers cyclists and power sports enthusiasts more highsecurity options in a lighter, more compact package. 

The 10mm hex-link chains and square section bar links resist attack from sawsand cutters. Quattro and Dual lock mechanisms feature Dual Lock Down Protectionand 4 laser cut plus 1 TorchKey. All locks have vinyl coated large diameterultra-hardened steel shackles and rubber coated end caps. Nylon chain covershelp protect painted surfaces. Backed with an anti-theft protection program.

• Titanium enforced, hexagonal steel chain links provide maximum cut resistance.
• Unique Onguard cylinder offers optimum resistance against physical attack and picking.
• Reinforced sleeve over crossbar and cylinder for additional security.
• Water and heat resistant chain covers prevents scratching and allows compact coiling.
• Rotating dust cover protects cylinder.