Hiplok Z-Lok Armoured Removable Tie Most minimal bike lock ever? The Z-Lok is a super versatile, reusable, beefed-up version of a zip tie with its own key. The Z-Lok is 40cm / 16 inch long It is manufactured in durable nylon with a reinforced steel core This is an excellent lightweight lock for quick, low-risk lock ups such as cafe or corner shop stops It's double sided ratchet mechanism means the Z-lock automatically locks when looped into place, and can only be unlocked with its key Excellent for securing a bike to a car rack The fact that it can be tightened flush with the bike frame (like a zip tie) minimises the room a thief can work in Hiplok Z-Loks come supplied as a pair Also suitable for non-bike security such as locking a buggy to a railing 'This unique ultra-lightweight and compact patent pending design combines simplicity and practicality, allowing for multiple uses and for flexibility in locking diameter for protection from the opportunist thief in a number of situations. The first secured reusable zip style tie provides ultra-convenient added protection for use on car racks, with accessories and other outdoor equipment. A cutting edge concept in security with a multitude of applications, Z-Lok is sold in pairs and available in a variety of colours.' Hiplok.