Riding your bike through the Big Apple is no joke, and if you plan on making any stops at all, you better make sure you're bringing along the Kryptonite New York Fahgettaboudit Chain 1410 and NY Disc Lock. The formidable 14mm, six-sided chain links are made of hardened Manganese steel for maximum strength against attacks, while the durable, protective nylon cover with hook-and-loop fasteners keep the chains wrapped up for protection against scratches to your frame. The NY Disc Lock with a 15mm Max-Performance steel shackle fends off leverage attacks, while the hardened double deadbolt locking system enhances the lock's overall holding power. Drills and picks don't stand a chance against the reinforced, high-security disc-style cylinder, and one of the three included stainless steel keys features an integrated light for help on darker rides.