M-Wave spiral lock Make sure your bike never gets stolen again with this spiral cable from M-Wave. The cable is easy to attach to the bike. The inside consists of iron wire with a steel layer around it. The outer layer has a plastic coating to prevent damage to the bike or the lock. Specifications: Color: black Type: S 10.50L Material casing: plastic Material cable: steel Length: 500 cm Cable thickness: 10 mm Weight: 440 grams