Bike Chain Lock

 

Heavy-Duty Bike Chain Lock – 5.18ft x 7.8mm | 3T Steel + U-Lock | Anti-Theft Security System with 3 Keys

Protect what matters with this Premium Heavy-Duty Bike Chain Lock system—designed to offer maximum security for your bicycle, scooter, stroller, gate, or fence. Built with industrial-grade materials and engineered for anti-theft performance, this lock set features a 3T manganese steel chain and an ultra-thick 17.5mm U-lock, delivering an unmatched combination of strength and reliability.

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Key Features:

🔒 Dual-Locking System for Maximum Protection
This set combines a 5.18-foot-long, 7.8mm thick hardened steel chain with a 17.5mm reinforced U-lock, forming a formidable defense against cutting, prying, and tampering. Ideal for high-theft urban areas or long-term outdoor use.

🛡 3T Manganese Steel Chain
Crafted from ultra-tough 3T manganese steel, the chain is resistant to bolt cutters, hacksaws, and leverage attacks. Its flexible length allows for versatile locking positions and easy attachment to fixed objects.

🧱 Heavy-Duty U-Lock – 17.5mm Thickness
The included U-lock is built with a hardened steel shackle that resists cutting and twisting. It secures the chain in place while providing an extra layer of lock strength for high-value assets.

🗝 Comes with 3 Laser-Cut Keys
Includes three high-security keys—precision cut to reduce duplication risk. Keep spares handy or share with trusted users for added convenience.

🌧 Weather-Resistant & Protective Coating
The chain is wrapped in a durable fabric sleeve to prevent scratching on your bike frame or painted surfaces. Rust-resistant materials and a dustproof keyhole cap ensure long-term performance in all weather conditions.

🔧 Multi-Use Security Lock Guard
Suitable for more than just bikes—secure your scooters, strollers, fences, gates, grills, toolboxes, and more. A dependable locking solution for both home and outdoor security needs.

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Product Specifications:

• Chain Length: 5.18 feet (approx. 158 cm)

• Chain Thickness: 7.8 mm

• U-Lock Thickness: 17.5 mm

• Material: 3T manganese steel (chain), reinforced alloy steel (U-lock)

• Included: 1 Chain Lock, 1 U-Lock, 3 Keys

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Why Choose This Lock?

This bike chain and U-lock combo is built for serious security. Whether you’re parking your ride in a public space, locking down equipment overnight, or ensuring peace of mind while traveling, this lock delivers strength, durability, and protection you can rely on.