Sometimes you have no choice but to leave your bike unattended somewhere sketchy, which is why Kryptonite created this super-secure Evolution Mini 1055 Integrated Chain bike lock.

• 10 mm, six-sided chain links are made from 3t manganese steel for strength
• Patent-pending end link design secures the chain to a hardened deadbolt to eliminate critical vulnerability
• High security disc-style cylinder is pick- and drill-resistant; sliding dustcover protects and extends cylinder life
• Patented, reinforced oval crossbar lock head offers superior security
• Includes 3 stainless steel keys: one LED lighted key with replaceable battery and two ergonomic “I” keys
• Durable weather-resistant nylon sleeve protects the chain and prevents it from scratching your bike’s frame
• Key Safe Program lets you register your keys with Kryptonite for easy replacement of lost keys
• Chain is 21.5 in. (55 cm) long
• Weight 4.4 lb. (2 kg)