Ultimate security from Kryptonite for bicycles, eBikes and powersports Features: 18mm hardened max-performance steel shackle Patent-pending hardened double deadbolt design gives additional protection against twist and cut attacks Patented steel sleeve over cross bar for double security Highest security disc-style cylinder is pick and drill resistant Sliding dustcover to protect from dirt and debris 3 stainless steel keys - including new design and one led replaceable key fob Key Safe Program Protective vinyl coating Product dimensions: 8.3cm x 15.3cm Product weight: 2.06 kgs