M-Wave Spiral Lock S 10.18 Make sure your bike never gets stolen again with this M-Wave bike lock. The lock is easy to attach to the bike with the included keys. 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: 180 cm Cable thickness: 10 mm Weight: 240 grams Cable material: steel Housing material: plastic Color: black Contents: 1 Spiral lock 2 Keys 1 Clip-On bracket