Helmetlok (4108 3mm x 180cm Coiled Security Cable The cable is made from 3mm thick nickel plated steel cable, is only 11cm (4.5 inches) long when coiled, stretching to 180 cm (6 foot) and has a load capacity of 100 kgs This handy little cable is a great accessory for your Helmetlok, slide one end through your jacket sleeve, hook the loops at the end of the cable onto the Helmetlok and attach it to your bike Alternatively, if your helmet does not have 'D' rings, run the cable through your helmet's chin piece, loop the ends through your Helmetlok and lock it to your bike Adds versatility for your Helmetlok, great for locking up multiple helmets or additional gear you would otherwise be weighed down with When you're finished, it will recoil back to its original length and will slip easily into your pocket