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 URBAN UR6 Hi-Tech Alarm Disc Lock offers robust security for motorcycles, scooters, and bicycles. One of its standout features is the alarm system, which can be turned on or off, and emits a loud 120dB noise to deter thieves. The A+ sensitivity ensures it is highly responsive, and the warning function with light alert adds an extra layer of protection by providing an early alert before the alarm fully activates.

Additionally, it is compatible with various types of vehicles due to its 6mm locking pin, though users with larger brake disc holes might need a different model like the UR10 with a 10mm pin. The replaceable electronic module and long-lasting CR2 battery, which can last up to 2-3 years and is unaffected by cold weather, add to its convenience. Installation is simple, allowing for one-handed locking without a key. It is also fully waterproof, making it reliable in all weather conditions.

It does not come with a remote control, which could be a drawback for some users. Additionally, while it is practical, the need for optional brackets (not included) for carrying it safely when locked might be an inconvenience. However, its strong performance, ease of installation, and high level of security make it a great choice for those looking to protect their two-wheelers. The product is backed by a reputable European manufacturer, URBAN, known for high-security locks, and offers a 2-year warranty for peace of mind.

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.