M-Wave spiral lock spiral DS 12.18 Make sure your bike is never stolen again with this bicycle lock from M-Wave. The lock is easy to attach to the bike and has a changeable individual security code. The inside consists of iron wire with a steel layer around it. The outer layer has a plastic coating to prevent damage. With universal holder for mounting on the seat post. Specifications: Cable length: 180 cm Cable thickness: 12 mm Weight: 640 grams Cable material: steel Housing material: plastic Color: black Contents: 1 Spiral lock 1 Universal holder for seat post