Motorcycle Anti-Theft Alarm: The motorcycle immobilizer's built-in impact sensor detects vibrations and movements. A 110 dB alarm system helps prevent potential losses, whether at home or outdoors, and makes it convenient for cyclists to stop outdoors or at home. Widely Used: The brake disc lock is suitable for motorcycles, mopeds, yachts, scooters, ATVs, electric bicycles, and other vehicles with perforated disc brakes up to 7 mm. High Quality: The motorcycle lock is made of aluminum alloy, high quality and durable. It is not only waterproof but also heat and cold resistant, making it more suitable for changing outdoor climates. Easy to Use: No key required, just one touch to lock the brakes. Press the brake lock button to start the locking process. After 5 seconds, a beep will sound, indicating that the alarm has been successfully activated. Small, convenient size. Additional accessories: The motorcycle lock includes a 1.5 m reminder cable, a visible orange reminder, and a removable