10 Best Motorcycle Alarms 2025 in the United States

The ABUS Granit Detecto XPlus 8008 Lock offers robust security for motorcycles. With a security level of 19 and a 16mm steel bolt, it provides excellent protection against theft. The alarm system is highly sensitive, featuring 3D position detection and an alarm that reaches at least 100dB, ensuring it will alert you to any tampering attempts. This lock is also equipped with an ABUS X Plus cylinder, which offers the highest protection against manipulation like picking.

The inclusion of two keys, an ABUS Code Card for additional or replacement keys, and a CR2 battery ensures you have everything needed for immediate use. The lock is made from steel and weighs about 2.64 lbs, making it sturdy but still manageable. The dimensions (11.81 x 7.87 x 7.87 inches) indicate it's relatively compact for its class. One of the standout features is its ease of installation; it’s user-friendly, so you won't need professional help to set it up. The lock is water-resistant, adding an extra layer of reliability in various weather conditions.

The remote control and Bluetooth connectivity features add modern convenience, allowing you to monitor and control the lock via an app. Customer reviews are generally positive, with a rating of 4.4 out of 5 stars from 147 ratings, indicating user satisfaction. This lock is ideal for those seeking high security and advanced features in a motorcycle alarm, but it might not be the top choice for budget-conscious buyers.

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 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.