Whether cycling in the city or taking two wheels in town, security should never be far from your mind. That's why investing a good lock for your bike is always a great idea. For years, U locks have been the preferred choice of many to anchor their bike to all kinds of things in urban environments. However, the FL-U5BT Bluetooth Bicycle U-Lock takes this to the next level by utilising advanced Bluetooth and fingerprint technology to add additional security.