X4P Quattro Bolt Locking Mechanism locks shackle on four sides
Z-Cylinder is bump-proof and resists picking, pulling or drilling
Rounded design and centered keyway eliminates pry points
Co-molded crossbar cover and double rubber coated shackle protects finishes
All-metal end caps provide additional protection against hits and drops
Automatic keyway covers helps seal lock internals against the elements
10mm (0.39) titanium reinforced, hardened steel hexagonal link chain resists cutting or prying
Chain cover protects paint and finishes, embroidered logo wont flake or wear off
Boxer U-lock can also be used as a disc lock