FICBOX Hardened Metal Alarm Electron Disc Brake Lock Anti Thief Sound Security System 6 mm safety pin for Motorcycle Motorbike Safety Sport Racing Bike High hardness hit not rotten electronic alarm lock, resist cutting, sawing and chisel attacks Alarm decibel: &gt;100dB, abnormal lock alarm, warning and deter thieves Stainless steel material, waterproof corrosion, rust prevention High quality metal materials anti-Damage Lock Core, different from other easily broken lock Detachable alarm module, easy Installation, plug and play