Best Alarm Cycling Locks of 2025

The Oxford LK348 U Lock offers exceptional security for your bicycle. Its impressive 120db alarm is weatherproof, ensuring your bike is protected from theft in any condition. With a robust 14mm hardened steel construction and an anti-pick mechanism, this lock is built to deter even the most determined thieves. It comfortably meets the Sold Secure 'Gold' standard, giving you peace of mind when you park your bike. Additionally, its vinyl coating protects your bike's paintwork, so you can lock it up without worry.

The WSDCAM Bike Alarm is designed to keep your bicycle secure with its robust features. It includes a mounting bracket for stable installation, ensuring it stays firmly in place. With an impressive 113 dB alarm, you can rest assured that potential thieves will be deterred effectively. You also have the option to adjust the volume to suit your preference. Additionally, the sensitivity can be customised across seven levels, allowing you to set it from a gentle touch to a stronger push. This versatility makes it suitable for various outdoor conditions.

The Mengshen Bike Alarm Lock offers you two convenient ways to secure your bicycle or other valuables: you can lock and unlock it using a remote control or a 4-digit password. This flexibility means you won't need to fumble for keys. Additionally, it features a robust anti-theft alarm that activates when movement or tampering is detected, providing peace of mind. With an IP55 waterproof rating, you can use it outdoors without worrying about rust or corrosion, ensuring durability in various weather conditions.

The ABUS Alarmbox 2.0 is a portable alarm system designed to enhance the security of your bicycle, e-scooter, or pram. It features a doubly secure attachment method that allows you to connect a chain for added protection. You will appreciate the intelligent alarm system, which emits a warning tone for minor disturbances and a loud 100 dB alarm for significant movements. Activating and deactivating the alarm is straightforward, providing peace of mind with just a press of a button. With its robust design, this alarm system is an excellent anti-theft device for various items.

The Qinlorgo Alarm Bike Lock offers robust security for your bicycle. With a low battery alert and waterproof design, it ensures reliable performance both indoors and outdoors. The security combination lock features a four-digit password system, providing you with up to 256 combinations for added peace of mind. In case of an incorrect password entry, the lock immediately alerts the authorities after three attempts. Additionally, the alarm function activates if the steel rope is cut or if the lock is tampered with, ensuring your bike remains safe at all times.

The Delaman Wireless Alarm Lock offers an array of features to enhance your vehicle's security. With its wireless remote control, you can easily activate the alarm to quickly locate your bike or vehicle. The IP55 waterproof design ensures that you can use it outdoors without worry. Additionally, the alarm produces an impressive 113dB sound to deter potential thieves and attract attention. With adjustable sensitivity levels, you can customise the alarm to suit your needs, providing you with peace of mind.

The ASHATA Smart Lock offers a robust security solution for your bicycle. It immediately triggers an alarm if someone attempts to cut the steel rope or remove the lock screw, ensuring you are alerted to any tampering. Additionally, the lock will sound an alarm if it is shaken or moved, providing you with peace of mind. If you accidentally mistype your password three times, it will automatically call the police, enhancing your safety. Lastly, the wire rope can be drawn out and used as a defensive whip, making it a versatile tool for protection.

The EnzZone U Lock is designed for those who need a reliable and secure solution for protecting their bicycles, e-bikes, scooters, or motorcycles. The lock features a generous 20"x4" opening, making it suitable for wide tire wheels. Its heavy-duty hardened steel construction resists hand tools and bolt cutters, providing you with peace of mind when your bike is out of sight but within hearing range of its high-pitched audible alarm. This motion-activated alarm alerts you to any potential tampering, ensuring that your prized possession remains safe.

The Meichoon Bike Alarm offers a reliable security solution for your bicycle, motorcycle, or scooter. With its USB rechargeable feature, you won't have to worry about changing batteries, as a full charge lasts about a month. The alarm's impressive 110dB volume serves as an effective deterrent against theft, while you can adjust the sensitivity to suit your environment. Its waterproof design ensures durability, making it suitable for both indoor and outdoor use. Additionally, installation is a breeze with multiple mounting options.

The ABUS X-Plus Lock provides robust protection for high-end motorcycles in areas with a high risk of theft. Its 13.5 mm hardened steel bolt and case ensure durability against attempted thefts. The advanced motion detection system features a loud 100 dB alarm that activates if your vehicle is disturbed, giving you peace of mind. Additionally, the lock can be conveniently transported in a deactivated state, allowing you to secure your bike without hassle.