Rockbros RKS507-1BK is a robust 1.8m (180cm) bicycle cable lock featuring a durable spiral cord (15.25mm diameter) made of metal and plastic for superior flexibility and storage convenience. It uses a 5-digit resettable combination, offering up to 100,000 unique codes for enhanced security. Its high water resistance guards against corrosion, making it ideal for diverse weather conditions. Elegant and compact, the RKS507-1BK balances functionality with minimalist design.