REAPP Alarm Disc Lock Motorbike Lock, Disc Brake Lock 110db with Reminder Cable and Carry Pouch, High Security Disc Lock for Motorcycle Bike Moped MotocrossThe thief's nightmareREAPP alarm disc lock is necessary for indoor and outdoor motorcycle motobike and bike anti theft. Built in sensitive sensor, once it detects vibration or movement, it will emit a sound of 110 DB to stop any thieves who try to move your vehicle or pick the lock Lock cylinder & KeyThis motorbike lock is equipped with our self developed aluminum alloy cylinder and copper key, which is smoother than ordinary round hole keys of other