This bike lock offers mid-level protection with 7mm hardened steel chain links and a strong deadbolt design. The unique End Link connects the chain directly to the lock, reducing weak points. It has a disc-style cylinder that helps resist picking and drilling. The lock comes with two easy-to-use “I” keys and a tough nylon sleeve to protect your bike from scratches. Includes access to the Key Safe Program for key replacement. Security rating: 5/10.