This spiral cable lock from M-Wave is a convenient way to keep your bike safe when you have to step away. The cable is 10 x 1800 mm (10 mm cable thickness and 70 in cable length). It will lock automatically and unlock with one of two provided keys. It comes with a bracket you can mount on your bike and clip the lock into while you ride. The cable has a protective coating that keeps it safe from the weather and protects your bike from damages too. The lock has reflective striping for added visibility.