10 Best Motorcycle Disc Locks 2025 in the United States

The YOHOOLYO Alarm Disc Lock is designed to provide robust protection against motorcycle theft. Made entirely of metal, this lock is sturdy and durable, offering reliable security for motorcycles, bicycles, scooters, and dirt bikes. The locking mechanism includes a 7mm pin, which can be fixed at any angle (360 degrees), ensuring flexibility in positioning the lock. Additionally, the lock's alarm feature is a significant deterrent for thieves, emitting a loud 110 dB sound when tampered with. This ensures that any unauthorized movement is promptly detected.

The lock is also crash-resistant and waterproof, making it suitable for various weather conditions and providing long-lasting protection. It includes motion sensors with a 5-second delay to avoid false alarms and is resistant to rust and physical destruction. Portability is enhanced by its compact size (3 x 2.8 x 1 inches) and lightweight design (12.3 ounces). The lock comes with a carry pouch for convenient storage, an Allen wrench for disassembly, and two sets of batteries for extended use. There are two security keys included, ensuring that users have a backup in case one is lost.

While the YOHOOLYO Alarm Disc Lock appears to be highly effective in terms of security and durability, one potential drawback is that it is designed specifically for disc brake vehicles, limiting its usage to certain types of motorcycles and bikes. This lock is an excellent option for those seeking a reliable, portable, and feature-rich anti-theft solution for their motorcycles or similar vehicles.

The Kryptonite New York Fahgettaboudit 1415 Chain with New York Disc Lock is a robust anti-theft solution designed for bicycles, e-bikes, scooters, motorcycles, and ATVs/UTVs. Its standout feature is the 14mm six-sided chain links made from 3t hardened manganese steel, offering exceptional strength and resistance to cutting or breaking. The lock mechanism features a 15mm steel shackle and double deadbolt locking system, providing extensive holding power and added security.

The chain is covered with a durable nylon sleeve to prevent scratches on your vehicle and includes hook-and-loop fasteners to keep it in place, enhancing its usability and protection against the elements. The weather-resistant feature ensures the lock performs well even in harsh conditions. However, the product does not include an alarm feature, which could be a downside for those seeking an additional layer of security.

The chain and lock are quite heavy, weighing over 15 pounds, which might impact portability for some users. Despite this, the high-security features and durable build make it a reliable choice for those prioritizing maximum security over convenience. The lock is keyed, and it comes with three keys, ensuring you have spares. This product is well-suited for individuals who need to secure their high-value vehicles and can manage the weight and absence of an alarm.

The Kryptonite Alarm Disc Lock is a robust anti-theft solution designed for motorcycles, scooters, and other valuable items. Constructed from durable alloy steel, it offers a high level of toughness, and its pin tumbler locking mechanism ensures reliable security. The lock features a 6mm hardened steel locking pin suitable for rotor sizes up to 6.5mm, making it versatile for various vehicles.

A standout feature is the integrated 120dB alarm, which activates upon detecting tampering to deter thieves. The alarm system is weather-resistant, ensuring functionality in various conditions, with well-protected electronics. The lock is battery-powered, using replaceable batteries that can last up to a year, and includes one CR2 battery for easy initial setup.

The key-locking mechanism automatically activates the alarm when locked. Despite its heavy-duty build, the lock is portable, weighing only 4.2 ounces, making it convenient to carry. Some users might find the 6mm pin size limiting for larger rotor sizes, and the need for occasional battery replacements could be a minor inconvenience. With its strong build, multifunctionality, and effective alarm system, this lock is ideal for securing motorcycles or similar items from theft effectively.