ABUS 440A Alarm
Best high-security deterrent for urban cyclists needing extra theft protection.
This U-lock adds a critical layer of active defense to standard physical security. By combining hardened steel construction with a sensitive 3D motion-triggered alarm, it ensures that any tampering attempt is met with an immediate, high-decibel deterrent.
$89.99
at
Boonies Bikes
More 440 options
Who it's for
- Commuters seeking both physical security and audible theft deterrence
- City cyclists wanting to avoid false alarms from minor bumps
- Owners of high-value bikes needing maximum protection
Who should skip it
- Budget-conscious buyers preferring simpler, non-electronic security
- Cyclists who prefer low-maintenance, set-and-forget gear
- Riders parking in extremely windy or high-traffic urban areas
Performance breakdown
Deterrence Factor
The piercing 100-decibel alarm creates an immediate, high-visibility deterrent for thieves.
Tamper Sensitivity
3D Position Detection captures even minor movements before a theft occurs.
Structural Integrity
Hardened steel shackle and body provide substantial resistance against physical attacks.
Lock Mechanism Security
High-quality cylinder design effectively thwarts common picking and manipulation attempts.
Portability
Compact enough for daily carry, though the alarm adds noticeable weight.
Ease of Operation
Intuitive locking action makes securing your bike quick and hassle-free.
Key Specs
Hardened 15/32" round shackle
Shackle, body, and load-bearing parts made of specially hardened steel
High-quality locking cylinder for high protection against manipulation (e.g. picking)
Alarm volume of at least 100 dB for 15 seconds, followed by automatic reactivation
3D Position Detection – detects vibrations and the smallest of movements in all three dimensions and triggers an alarm
CR2 batteries included
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Ask Metto anything about the ABUS 440A Alarm before you decide.
