Best Alarm Bike Chain Locks of 2025

The Crystal Vision Bike Lock is designed to offer exceptional security for your belongings. Its powerful 120db alarm activates with any unauthorized movement, ensuring that potential thieves are deterred instantly. With a flexible 45.5-inch chain, you can easily secure a variety of items, from bicycles to gates. The heavy-duty construction, made from hardened steel, can withstand cutting and sawing, providing peace of mind. Plus, its weather-proof design means you can rely on it in any outdoor condition, making it a practical choice for all your locking needs.

The AKM Safe 80db Alarm Motorcycle Chain Lock is a heavy-duty, weatherproof lock designed to keep your bike, scooter, or moped safe from theft. It features a loud 80db alarm that is triggered by vibrations, as well as a strong, cut-resistant square link chain made from triple-heat-treated manganese steel. The lock comes with three double row serpentine slot keys made from durable stainless steel, and the batteries are replaceable. It is long enough to lock two motorcycles together and comes with a premium bag, screwdriver, and carry box for easy transport.

Rosvola Bike Lock Y787 is a smart alarm lock with anti-theft features. It alarms loudly when tampered with, protecting your belongings effectively. The lock acts as an anti-whip and offers a smart four-digit password system for easy access. With IP44 waterproof certification, it is suitable for both indoor and outdoor use, even in harsh weather conditions. This lock is versatile and can be used for motorcycles, doors, and outdoor furniture, providing a high level of security and convenience.

The VINGVO Smart Alarm Lock offers robust security for your bicycle, motorcycle, or scooter. It features an alarm that triggers if the lock is tampered with, ensuring immediate protection against theft. You can also enjoy peace of mind with its long standby time, lasting up to eight months on low power. The high-quality materials used in this lock make it waterproof and durable, suitable for various weather conditions. Additionally, the thickened steel wire rope provides extra strength, making it a reliable choice for securing your valuables in shops, offices, or outdoor settings.

The Generic Smart Bike Lock offers a user-friendly experience with its Bluetooth connectivity and an app that simplifies locking and unlocking your bike. With the added convenience of a keyless design, you can easily manage your lock without fumbling for keys. The alarm system is impressively loud at 115dB, ensuring that any tampering is quickly detected, while the waterproof IP55 rating protects your investment against the elements. This lock is designed with English speakers in mind, making it accessible and straightforward to use for everyone.

The Taidda Alarm Chain Lock offers robust security for your bike or motorcycle with its thickened steel wire rope and durable PVC coating. This lock is designed to withstand the elements, with an IP44 waterproof rating, ensuring reliable performance in various weather conditions. You can enjoy keyless convenience with its advanced 4-digit combination lock, allowing you to set and change your password without the worry of losing keys. Additionally, the intelligent alarm system activates upon movement or tampering, providing peace of mind that your property is always protected.

This bike chain lock has a wireless remote control feature that can learn up to eight remote controls. A remote controller can control multiple locks or similar remote alarms simultaneously. It has an IP55 waterproof and dust-proof grade, ensuring its efficiency for indoor and outdoor use. You can use it normally in the temperature range of -10+60. The lock has a remote control operation for lock/unlock/lock-seeking car/learning code, with LED indication.

Tangxi Bluetooth Chain Lock is a smart and waterproof bicycle chain lock that provides advanced security features. With its 110dB alarm function, it effectively frightens potential thieves, making it suitable for both indoor and outdoor use. The lock consumes low power and has a long standby time. It offers anti-cutting, anti-disassembling, and vibration alarm features, ensuring maximum protection for your bike, motorcycle, or even doors. The lock is compatible with both iOS and Android systems, allowing you to conveniently lock and unlock your bike or motorcycle with your phone. Made of durable ABS plastic and high-density copper, it is not only strong and anti-theft but also waterproof, making it ideal for all weather conditions.

The eLinkSmart Bike Lock offers advanced security for your bicycle or scooter with its fingerprint and Bluetooth app features. You can securely store up to 20 fingerprints and authorize over 1000 app users, making it easy for friends and family to unlock the lock remotely. Its waterproof design ensures durability in any weather, allowing you to leave it outdoors without fear of rust. With a long-lasting battery that supports six months of standby time, you’ll receive alerts when it’s time to recharge, ensuring your lock is always ready for use.