The Ionus chain lock is a newly updated version of the Abus Steel-O-Chain, which has been rated pretty highly by us in the past. It differs from that model in that the lock mechanism now has a larger ...

At just shy of three kilograms the Granit chain isn't the most portable of locks. What it is, though, is tough. The chain links resisted cropping from both of our sets of bolt croppers (that’s one 3ft ...