• UNBREAKABLE METAL LOCK HEAD - Engineered with reinforced zinc-alloy lock head and anti-drill cylinder pins, this lock core delivers ​200% greater impact resistance than standard ABS plastic locks (CEN 3 security rated). The 360° rotating shackle seamlessly locks to street poles, parking meters, or irregular bike racks while defeating leverage.
• THICKER CHAIN, STRONGER PROTECTION - 6mm triple-tempered alloy steel chain delivers 37% higher shear resistance than basic steel chains (25,500N tested), verified by testing. At 1.96lbs, it's 28% lighter than competitors while maintaining high-security cut resistance against bolt cutters & angle grinders.
• SILENT ARMOR PROTECTION - High-density nylon sleeve eliminates chain rattling during rides and prevents paint scratches - crucial for protecting your $1,000 e-bike's finish. Includes 2 laser-cut keys with unique groove patterns that outsmart generic key duplication.
• WEATHERPROOF LOCK DEFENSE - Smart sliding dust cover with self-cleaning grooves repels rain, ice, and dirt buildup. The drill-resistant cylinder maintains smooth operation from -22°F to 140°F, perfect for year-round use in Seattle rains or Arizona heatwaves.
• UNIVERSAL SECURITY SOLUTION - The 3ft cut proof chain adapts to bicycles, ATVs, trailers, grills, and tools. Includes FREE global key replacement within 72hrs via our after service - no registration required.