Introducing the abus granit x plus 540 230mm this is a sold secure gold standard lock and replaces the legendary x plus 54 with a much more stylish look whilst retaining its outstanding safety features the shackles of the lock are constructed of 13mm parabolic metal making it super resistant to cropping and twisting the shackles are securely held in place by the solid power cell double locking mechanism this mechanism offers the highest protection against hitting and pulling attacks