M-wave cable combination lock. Make sure your bike is never stolen again with this bike 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. Specifications: Cable length: 100 cm Cable thickness: 12 mm Weight: 315 grams Cable material: steel Housing material: plastic Color: purple