Kryptonite Bicycle / New York Chain 1210

12mm six-sided, chain links made of 3T HARDENED MANGANESE STEEL for maximum strength Durable, protective nylon cover with hook-n-loop fasteners to hold in place Includes Evolution series 4 Disc Lock with 14mm MAX-PERFORMANCE STEEL SHACKLE Patented*, oval hardened STEEL CROSSBAR for extra security Hardened DOUBLE DEADBOLT locking for extensive holding power HIGH SECURITY DISC-STYLE CYLINDER with reinforced anti-drill, anti-pull protection system SLIDING DUSTCOVER protects and extends cylinder life 3 STAINLESS STEEL KEYS – one lighted with high intensity bulb and replaceable battery Key Safe Program