Bike locks / Master Lock / Hardened steel chain with mini U-lock
Master Lock

Hardened steel chain with mini U-lock

$47.05
Catalog updated 2026-10-21

Combining a thick steel chain with a compact mini U-lock, this system delivers exceptional security for high-value bicycles and motorcycles. The dual-component design maximizes anchoring flexibility.

Built to withstand rigorous outdoor conditions, the hardened steel construction resists heavy-duty attack methods. Its high-security rating makes it a trusted option for high-theft urban areas.

The generous chain length allows you to thread through multiple frame parts and stationary objects easily. It provides comprehensive defense for riders who refuse to compromise on safety.

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Hardened steel chain with mini U-lock
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Master Lock
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Black Heavy duty chain locks Hardened steel locks Motorcycle grade locks Heavy duty U-locks High security
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14mm thick 3ft long Black Heavy duty chain locks Hardened steel locks High security Motorcycle grade locks Heavy duty U-locks