Kryptonite's New York Legend is a 15mm link chain made of triple heat-treated hardened steel, giving it maximum strength. The 3-foot-long chain secures with a reinforced, shrouded padlock that features a double deadbolt for optimal protection. The chain is covered with a durable nylon sheath that protects your bike against scratches. This sweet lock also includes three keys. You can take advantage of the anti-theft protection offer of $4,500, too.