This Kryptonite U-Lock offers top - notch security. It features an 18mm hardened MAX - PERFORMANCE STEEL SHACKLE. The patent - pending HARDENED DOUBLE DEADBOLT design safeguards against twist and cut attacks. A patented STEEL SLEEVE on the cross bar provides double security. The HIGHEST SECURITY DISC - STYLE CYLINDER resists picking and drilling. There's a sliding dustcover to protect from dirt and debris. It comes with 3 STAINLESS STEEL KEYS, including a new - design key and an LED REPLACEABLE KEY FOB. It also has a Key Safe Program and a protective vinyl coating. Product dimensions are 8.3cm x 15.3cm, and it weighs 2.06 kgs.
Using this Kryptonite U - lock is easy. First, find a suitable fixed object like a bike rack. Open the lock using one of the three stainless - steel keys. Wrap the U - shaped part around the object and your bike, then close the lock. To keep it in good shape, regularly check the keys and the lock mechanism for any signs of wear. If you notice the dustcover is dirty, clean it gently with a soft cloth. Avoid using harsh chemicals on the lock or the vinyl coating. When not in use, store the lock in a dry place to prevent rusting. Also, take advantage of the Key Safe Program to ensure you don't lose your keys.
