Anti theft password lock, five digit security code, alloy lock, thick steel cable, anti-theft security. Used for home bicycles, mountain bikes, road bikes, car motorcycles, electric vehicles, electric tricycles, electric motorcycles and other cars. Bold steel cable, without professional tools, it will not be easy to cut A five digit password has a very low chance of being cracked, making it more secure against theft. Steel core lock, lock the core, anti violent opening, The 90cm extended chain can lock 2 to 3 bicycles at the same time. High quality PVC rubber protective layer effectively protects the welded body from deformation and oxidation. It can also protect the surface of the vehicle from scratches.