4 ft Keyed Bicycle Chain Lock (3/8 in Diameter)

Features

• 5-pin cylinder: Provides more key combinations and improved pick resistance vs typical 4-pin cylinders.
• Heavier chain feel: 3/8" chain provides superior protection against cutting and sawing attacks.
• 4 ft reach: Versatile length for racks, posts, and common anchors.
• Flexible lock-ups: Chain wraps around awkward shapes more easily.
• Gear-friendly sleeve: Coated surfaces help reduce frame scuffs and noise.
• Reliable cylinder: 5-pin design supports consistent everyday operation.
• Outdoor-ready build: Designed for daily use in outdoor conditions.
• Limited Lifetime Warranty: Peace of mind from a brand you can trust.