Do you need a bicycle lock which can be used by several people, for example the different members of your family? The BORDO Combo™ 6100 Folding Lock saves you the effort of swapping keys around and trying to find out who had them last. The lock can be conveniently opened using your choice of four-digit numerical code instead of a key. The customary ABUS quality comes as standard: bike thieves don't stand a chance, regardless of whether the lock uses a numerical code or a key