Segway Ninebot HIMO U Bike Lock Electric BicycleDescriptionSpecificationsShipping Portable dual open U shaped lock for bicycles and motorcycle security and anti theft Super Class B Lock Zinc Allow Nickel Plated Lock frame and screws are treated by the electroplating process to prevent wear and loosening All copper blade structure with a nickel plated zinc alloy core makes it durable Features a Class B cable lock level for optimum security Prevents wear and loosening, thanks to its electro plated