Evolution 1016/1055/1090 Integrated Chain

This high-security chain lock features a tough, 10mm six-sided chain link made from manganese steel for maximum strength and durability. With its integrated smart key port, you can lock and open the chain at a moment’s notice! Attributes Lock Type Key Primary Color Black Bracket No Thickness In mm 10mm Specs & Features: Comes in 55cm, 90cm, and 160cm lengths Includes one key Lifetime warranty included Key Safe Program included 10mm six-sided chain links made of 3t manganese steel High-security disc-style cylinder is pick and drill-resistant Engineered & Designed For Maximum Security With a hardened double deadbolt design and an integrated disc-style cylinder, this lock offers unparalleled security and peace of mind. The sliding keyhole cover ensures that the keyhole is protected against any would-be lock picking and theft. Meanwhile, the tough 3T manganese steel is there to prevent any cutting, sawing, and damage to your bike lock. The Kryptonite Evolution 4 Chai