Kryptonite Evolution Series 4 1055 Mini Bicycle Chain Lock w/FlexFrame Bracket 000792

10mm six sided chain links made of 3t manganese steel. High security disc style cylinder is pick and drill resistant, resists most common hand tools. New patent pending pin less link design secures chain to hardened deadbolt offers no weak link in chain due to extensive holding power of the link against attacks. Patent pending integrated Evolution Series 4 lock head. Weather resistant nylon sleeve prevents scratches to painted finishes compact coiling for easy carrying. Includes 3 Stainless Steel keys 2 new I keys and one with a high intensity LED bulb for convenient easy unlocking in the dark. Length 21.5