Features
It has a 13mm Hardened Max - performance Steel Shackle that can effectively resist bolt cutters and leverage attacks. The patent - pending Hardened Double Deadbolt design offers extra protection against twist attacks. There's a new Sliding Dustcover and a new Double Deadbolt Design. The higher - security Disc - style Cylinder is resistant to picking and drilling. It comes with a Flexframe - U Bracket for convenient multi - location transport of the u - lock. You'll get 3 Stainless Steel Keys, including a new key design and one LED REPLACEABLE KEY FOB. The lock has a protective vinyl coating and a Key Safe Program.
Specifications
Dimensions: 8.3cm x 14cm (3.25” x 5.5”). Weight: 1.20 kg (2.65 lbs).



Using this Kryptonite U - lock is easy. First, open the lock with one of the provided stainless - steel keys. You can use the Flexframe - U Bracket to attach the lock to your bike for convenient carrying. When locking your bike, place the shackle around a fixed object and your bike frame, then close the lock. Make sure the lock is securely fastened. As for maintenance, keep the lock dry to prevent rust. If the dustcover gets dirty, you can clean it with a soft cloth. The key fob battery can be replaced when needed. Remember to keep your keys in a safe place and use the Key Safe Program to avoid losing access to your lock.