10 Best Motorcycle Alarms 2025 in the United States

The Kryptonite Alarm Disc is a robust anti-theft motorcycle lock equipped with a loud 120dB alarm system, making it a strong choice for those needing extra security for their motorcycles, scooters, or other valuable items. Its heavy-duty design features a 6mm hardened steel locking pin and a zinc diecast body, ensuring durability and resistance to physical tampering.

The alarm is quite sensitive and activates automatically when the lock is engaged, providing an additional layer of security. The lock is powered by replaceable lithium batteries that can last up to a year, which is convenient for long-term use without frequent battery changes. Installation is straightforward with a simple key-locking mechanism, making it user-friendly even for those who are not tech-savvy.

The weather-resistant construction ensures that the electronics are protected from the elements, although the product does not mention specific water resistance ratings. One limitation of this alarm disc is the absence of a remote control feature, which could have added to its convenience. This product is best suited for individuals looking for a durable and loud alarm system to secure their motorcycles or similar items, particularly those valuing ease of use and long-lasting battery life.

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 Spytec GPS Motorcycle Tracker is a robust option for those looking to enhance their motorcycle's security. One of its standout features is the anti-theft security system that notifies you instantly when someone attempts to tamper with your bike or if any motion is detected. This can give you peace of mind knowing that your motorcycle is monitored in real-time with updates every 5 seconds, providing highly accurate tracking information. Installation is straightforward as it's a hard-wired device, so there's no need to worry about battery life once it's installed.

Additionally, it offers worldwide coverage, making it perfect for those who travel frequently with their motorcycles, scooters, boats, or ATVs. Smart notifications allow you to set custom alerts based on speed limits or specific geographic boundaries, which adds another layer of security and tracking capability. However, it does require a subscription plan, starting at $9.95 per month, which could be a drawback for some users.

Another potential downside is that while it is waterproof, the installation process may still require professional assistance to ensure it is correctly set up and fully operational. Additionally, the device doesn't come with a remote control, which might be a limitation for those looking for that specific feature. This tracker is best suited for those who prioritize real-time tracking and comprehensive security features, and who are comfortable with a subscription-based service for added peace of mind.