The master lock street quantum 1000 x 18mm armoured cable lock is an extremely tough armoured cable that will prevent your bike from being stolen the armoured cable lock comes in a variety of four colours and includes 4 keys so you39ll have a spare if you lose yours the cable lock is 1 metre long allowing you to securely lock your bike and it has a vinyl sleeve for a smooth strong finish the lock is available in 4 colours blue green red and smoke so you can choose whatever