Offering the security of a hardened chain along with a convenient integrated lock, the Kryptonite Keeper 785 Integrated Chain Lock delivers reliable protection when securing your bike.
7mm 4sided chain to provide flexible security for your bicycle; weatherresistant nylon cover won't scratch your frame
Highsecurity, discstyle cylinder is pick and drill resistant
Hardened steel lock body covering the cylinder; includes hardened deadbolt
Eligible for Key Safe Program: register your key number with Kryptonite for easy replacement of lost or worn keys for a minimal fee
Kryptonite rates this lock a 5 on their 10point system with 1 being simple, deterrent security and 10 being extreme security
2 keys included
Length: 33.5 inches 
Weight: 3.5 lbs