The classic becomes mechatronic. With the world's first alarm folding lock, Abus complements high mechanical security with an alarm that can reach up to 100 dB, which has already proven effective in motorcycle security. Any attempted break-in will alert you and deter the thief. The folding lock is equipped with a 100 dB alarm function, making it effective against any theft attempt. The 5 mm thick rods are coated with silicone, protecting your bike frame.