10 Best Motorcycle Alarms 2025 in the United States

The YOHOOLYO Alarm Disc Lock is a strong anti-theft option for motorcycles, scooters, and bicycles, especially for those seeking a loud alarm combined with a sturdy physical lock. It features a loud 110-decibel alarm that triggers automatically when it senses vibration or shock, effectively deterring potential thieves. The lock is constructed from forged stainless steel, making it crash-resistant and durable. Its waterproof design ensures resistance to rain and rust, making it suitable for outdoor use.

Installation is straightforward with its one-press locking system, and it fits disc brakes up to 6mm thick, which covers many common bikes and scooters. The inclusion of a 5-foot reminder cable helps reduce accidental riding with the lock still engaged, enhancing safety. It operates on 12 LR44 batteries, with backups included, providing good battery life without frequent replacements. While it does not feature remote control operation, all functions are manual.

The lock requires disc brakes to fall within specific size limits (thickness and width), so checking compatibility before purchase is important. The set also includes two keys and a carry pouch for convenient storage and transport. This YOHOOLYO alarm disc lock serves as a reliable, easy-to-use security tool for riders looking for a loud, physical deterrent with weather resistance, though it lacks remote operation and has certain size restrictions that buyers should verify.

The Wsdcam 113dB Bike Alarm is a versatile security solution designed for motorcycles, bikes, electric bikes, and scooters. One of its standout features is the loud 113dB vibration alarm, which can deter potential thieves effectively. This alarm offers seven levels of sensitivity, allowing you to adjust it based on your environment, and three volume levels to suit different preferences.

The IP55 waterproof rating ensures that the device can withstand rain and splashes, making it suitable for outdoor use. The product is battery-powered and incorporates battery-saving technology. Installation is straightforward, making it accessible for users without technical skills. The included remote control has a strong wireless range of up to 66 feet, which adds convenience for arming and disarming the alarm from a distance.

Additionally, the vehicle search function with three different bell sounds can help you locate your vehicle in crowded parking lots. The alarm might be overly sensitive for some users, potentially leading to false alarms in high-traffic areas. The Wsdcam 113dB Bike Alarm is a reliable and user-friendly option for securing a range of vehicles, though it may require occasional adjustments to sensitivity settings to minimize false alarms.

The URBAN UR14S Hi-Tech Motorcycle Alarm Disc Lock is a strong security device designed to protect your motorcycle from theft. It features a double locking mechanism with a 14mm stainless steel shaft, adding extra durability and resistance against physical attacks like drilling or sawing. Its alarm system emits a loud 120dB sound, which is very effective at deterring thieves, and you can choose to activate or deactivate the alarm depending on your preference. The lock includes a warning beep that activates with light touches to warn potential thieves before the full alarm sounds, providing balanced sensitivity to avoid false alarms while still offering protection.

The CR2 lithium battery powers the alarm and is designed for long life. Installation is straightforward as it functions like a typical disc lock that fits onto your motorcycle’s brake disc. Included accessories such as keys, an Allen wrench, and a carrying pouch add convenience for the user.

This lock suits riders seeking a high-security, alarm-equipped disc lock with the flexibility to turn the alarm off when needed. It is especially good for those who want a reliable mechanical lock combined with a hi-tech alarm feature.