JOYTUTUS Bike U Lock – 14.6mm Heavy Duty U-Lock Bicycle with Shackle and Bicycle Lock Mount Holder + 1800mm Steel Chain Cable Bike Lock, for Gate/Door, Bikes, E-Bikes, Motorcycles, Scooters，2pack

The bike U-lock resists corrosion from water, dust, and dirt to prolong the life of your lock. All-weather performance means peace of mind and better security.We also sent you padlock connectors, you can easily place your lock. Note that when using the padlock connector, the red button should be located under the lock, that is, close to the direction of the lock head, so that the lock can be well secured. Then you can easily take out or put in the lock just by holding down the red button.Choose JOYTUTUS bike u lock combination, no more lost keys! 4-digit set your own combination convenience allows for thousands of possible combinations. Prevent thieves use universal key to unlock your lock. It is recommended that you can take a photo after changing the code, in case you forget the code and cannot unlock it.