BullDog Series U-Lock - 4.5 x 9, Keyed, Includes 4' cable and bracket

The Bulldog Series U - Lock is your ultimate security solution. It features an X2P Double Bolt locking mechanism and 13mm (0.51 inches) hardened steel shackles, offering top - notch protection. With a reinforced sleeve over the crossbar and cylinder, it provides extra security. This lock has an impressive 4.6 Tons pull strength and comes with a 1 - year anti - theft guarantee. It resists drilling and picking, making the hardened ultra - steel shackle a reliable choice for keeping your belongings safe.

Using your Bulldog Series U - Lock is easy. First, find a secure object like a bike rack. Open the lock using the key and place the U - shaped part around the object and your bike. Then, close the lock until you hear a click. When it comes to maintenance, keep the lock dry to prevent rusting. You can use a little bit of lubricant on the keyhole from time to time to ensure smooth operation. As for safety, always make sure the lock is properly locked and don't leave your bike in an unsecured area for long periods. Remember, the lock comes with a 1 - year anti - theft guarantee, so enjoy peace of mind while using it.