Abus 440A U-Lock
Best high security alarm lock for urban bicycle commuters.
This security solution pairs a robust hardened steel frame with a motion-sensitive alarm to deter theft. It offers a reliable physical barrier while adding an audible layer of protection that triggers upon unauthorized movement.
$99.99
More 440 options
Who it's for
- Urban commuters parking in high-traffic areas needing extra theft deterrence
- Daily riders seeking a balance between physical strength and portability
- Cyclists who want smart security without constant nuisance alerts
Who should skip it
- Low-maintenance owners who prefer purely mechanical security solutions
- High-risk area residents requiring the highest possible physical cut resistance
- Commuters frequently using tightly packed communal bike storage facilities
Performance breakdown
Deterrence capability
The piercing 100-decibel alarm effectively scares off opportunistic thieves instantly.
Physical resilience
Hardened steel shackle provides a formidable barrier against standard cutting tools.
Portability
Integrated frame mount makes carrying this substantial lock manageable for daily commutes.
Locking mechanism security
High-quality cylinder design offers excellent resistance against sophisticated picking attempts.
Ease of operation
Intuitive key-based system ensures quick locking and unlocking in busy environments.
Weight-to-security ratio
Balances heavy-duty protection with a weight that remains practical for cyclists.
Key Specs
Lock Type
U-Lock
Material
Hardened steel
Weight
3.3 lbs
Dimensions
9 x 4.1 inches
Alarm Volume
100 dB
Shackle Diameter
12 mm
Mounting Type
Integrated mount
Locking Mechanism
Keyed
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