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This integrated bike chain lock from Kryptonite has been designed to offer secure theft protection for your bike. Made from durable 3T Manganese Steel, it has received a Sold Secure Gold rating for your peace of mind.
The Evolution Series 4 Integrated Chains provide convenient bicycle protection in moderate to high crime areas. Made from triple-heat-treated, hardened boron-manganese steel and include 10mm six-sided links to increase protection against cutting attacks by damaging cutting tools. This chain features a market-leading, integrated Evolution series 4 lock head padlock system. This new, revolutionary chain design also features a patent-pending pin-less locking mechanism, which secures the chain to a hardened deadbolt to ensure there is no weak leak in the system due to extensive holding power placed upon the link itself against attacks.
Buy Kryptonite Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.