Giant SureLock Flex Cable Description: The Giant SureLock Flex Cable is designed to supplement a U-lock or other lock for complete security of components like wheels, or other accessories. Features: Flex Cable: 10mm (0.39") heavy-duty, extra flexible cable with looped ends Tough vinyl cover protects against scratches Includes handy straps for compact storage Cinch-loop requires less cable for effective lock-ups Note on Bike Locks: Bike locks provide a deterrent to bike theft, however no lock is theft proof. Please research both your area you plan to lock the bike, amount of time and time of day, and then which lock best suits your specific needs.