Kryptonite Keeper 712 Bike Chain Lock, 4-Foot Heavy Duty Anti-Theft Lock with Keys

The Kryptonite Keeper 712 Integrated Chain Lock is designed to provide high-level security and versatility. Featuring 7mm four-sided chain links made from 3T manganese steel, this lock offers exceptional durability and strength. The patent-pending end link design secures the chain to a hardened deadbolt, eliminating a critical vulnerability and providing extra holding power.

The high-security disc-style cylinder of the Keeper 712 is resistant to picking and drilling, making it resistant to most common hand tools. This added layer of security ensures that the lock remains secure even against the most determined attempts to bypass it.

To protect the chain and the bike's finish, the Keeper 712 is equipped with a durable, weather-resistant nylon sleeve. This sleeve prevents scratches to painted surfaces and shields the chain from the elements, ensuring the lock remains in top condition even in harsh outdoor environments.

With a 48-inch (120cm) chain length, the Kryptonite Keeper 712 offers a flexible and compact security solution. This versatility allows users to secure their bicycles in a variety of locations, from bike racks to street posts, providing a reliable deterrent against theft.

The 3T manganese steel chain links, measuring 9.5mm in thickness, contribute to the overall strength and resilience of the Keeper 712. This robust construction ensures that the lock can withstand the most determined attempts to compromise its security.

In summary, the Kryptonite Keeper 712 Integrated Chain Lock is a comprehensive security solution that combines high-quality materials, advanced design features, and a versatile chain length to provide a reliable and user-friendly deterrent against bicycle theft. Its combination of strength, tamper resistance, and weather protection make it an excellent choice for cyclists seeking to safeguard their valuable investments.

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