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Skip to main content. There seems to be a problem completing the request at present. Kryptonite Keeper kryptonite security chain Yellow Disc Lock. All listings Auction Buy it now. Huge 15 mm kryptonite security chain chain links made from triple heat-treated boron manganese steel for ultimate strength. New York padlock with the highest level of security from it's disc-style cylinder, including a 16 mm hardened MAX-Performance steel shackle.

Hardened double deadbolt design gives additional protection against twist kryptonite security chain. The reinforced shrouded shell and shackle provides the ultimate in security. Long chain is versatile and easy to use. Both chain and lock defy bolt cutters, saws, hammers and chisels. Weatherproof protective nylon covering allows coiling for easy carrying and protects paintwork, with Hook-n-Loop fasteners to hold it in place.

Approved to Gold Sold Secure standard. Sliding dustcover protects and extends cylinder life. Kryptonite Evolution 4 Integrated Chain GK The hardened triple heat-treated boron manganese steel chains include 10mm six-sided links. The integrated chains secure with a new patent-pending integrated Evolution series 4 lock head.

Chains are enclosed in a nylon-webbing sleeve to protect paint from scratches and allow for easy portability and tight coiling during storage. Durable, protective nylon cover with Hook-n-Loop fasteners to hold in place. The chain secures with a new patent-pending Integrated KryptoLok series 2 Lock head kryptonite security chain talon deadbolt. Kryptonite Keeper 5-S disc lock - with reminder cable - yellow Keeper 5-S disc lock - with reminder cable - yellow.

The Keeper Integrated Chain is a hardened triple heat-treated boron manganese steel chain made with 7 mm four-sided links. Includes pouch with belt clip for easier transport. High security disc-style cylinder. Patented rotating dustcover protects cylinder. Includes maximum security New York disc lock with 15 mm ovalised hardened steel shackle. The hardened triple heat-treated boron manganese steel chains include 10mm six-sided links.

Double looped cable with key padlock. Padlock features double deadbolt locking. Kryptonite Evolution Series 4 Integrated Security Chain 10 mm x cm The hardened triple heat-treated boron manganese steel chains include 10mm six-sided links. FFMC and Classe SRA 18 mm hardened Kryptonium steel shackle resists bolt cutters and leverage attacks Kryptonite security chain security, Pick-Safe kryptonite security chain and drill resistant kryptonite security chain cylinder Hardened steel sleeve over crossbar provides double security protection Integrated sliding dustcover protects cylinder Double deadbolt locking mechanism for extensive holding power Centre keyway location deters leverage attacks U-lock dimensions: Patent-pending pin-less link design secures chain to deadbolt; eliminates any "weak link" due to the extensive holding power of the link itself.

Permanent locking point for indoor or outdoor use. Got one to sell? You may also like. Kryptonite stronghold anchor 16 mm ; black - Kryptonite. Kryptonite kryptolok s disc lock dfs; chrome - Kryptonite. Kryptonite kryptolok s disc lock dfs; orange - Kryptonite. Please provide a valid price range. Buying format see all.

Item location see all. Within 2 miles 5 miles 10 miles 15 miles 20 miles 50 miles 75 miles miles miles kryptonite security chain miles miles miles miles miles of. Delivery options see all. Show only see all. More refinements More refinements

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Kryptonite is an Allegion -owned brand of bicycle lock for securing a bicycle to a pole or other fixture, when the owner wants to leave the bicycle in a public place. The basic design, made of hardened steel of circular cross section bent into a U-shape with a removable crossbar, has been emulated by numerous other manufacturers, and adapted with variations in size and shape for other applications, such as locking motorcycles.

The product was named after kryptonite , the fictitious substance that can thwart the powerful comic-book hero Superman. The name is used under a limited trademark agreement with DC Comics dating back to The Kryptonite u-lock was developed in In the early s, in the US, the only proven method to secure one's bicycle was by the use of case hardened security chains with hexagonal links, but some cyclists were making the mistake of using inexpensive chains or cables that could be breached by thieves using commonly available tools.

Indeed, local hardware stores would often sell inexpensive chain cut to length using simple bolt cutters. The first Kryptonite lock model was made of sheet metal cut and bent to shape, but the company soon went to the now universal circular cross section.

In an early test of the Kryptonite lock, a bicycle was locked to a signpost in Greenwich Village in New York City for thirty days. Thieves stripped the bicycle of every part that could be removed, but the lock resisted all attempts to break it. In Ingersoll Rand's security products were placed in a spin-off company called Allegion. Until , Kryptonite locks used the tubular pin tumbler locking mechanism.

In , after it was demonstrated that the tubular pin tumbler locks used on Kryptonite locks could easily be opened with the shaft of a Bic ballpoint pen of matching diameter, [4] Kryptonite changed their locks from the tubular to a disc mechanism, preventing the use of cylindrically-shaped objects to defeat the locking system. From Wikipedia, the free encyclopedia.

Retrieved 6 January Retrieved 27 March Retrieved from " https: Locks security device Cycling equipment. Views Read Edit View history. This page was last edited on 2 September , at By using this site, you agree to the Terms of Use and Privacy Policy.