This Kryptonite New-u Kryptolok Standard U-lock offers top-notch security for your bike. It features a 12.7mm hardened Performance Steel Shackle. The new patent-pending hardened double deadbolt design provides extra protection against twist attacks. The high-security disc-style cylinder resists picking and drilling. It comes with 2 stainless steel keys that have an ergonomic design to reduce torque and prevent bending or breaking. There's a new dust cover for added protection. It also includes a Flexframe-U Bracket for convenient multi-location transport. The lock has a protective vinyl coating. You can benefit from the Key Safe Program. Dimensions are 4” x 9” (10.2cm x 22.9cm), and it weighs 2.9 lbs (1.32 kg).

Using this U-lock is easy. First, open the lock with one of the two stainless steel keys provided. Place the lock around the bike frame and the object you want to secure it to, then close the lock and make sure it's properly engaged. When using the Flexframe-U Bracket, attach it to your bike in a convenient location for easy access. As for maintenance, keep the lock clean and dry. Wipe it down regularly to prevent dirt and grime from building up. Avoid exposing the lock to extreme temperatures for long periods. If you encounter any issues with the keys or the lock mechanism, you can use the Key Safe Program for assistance. Also, be careful not to apply excessive force to the keys to prevent them from bending or breaking.