Secure your bike optimally with the ABUS 440A/150HB230 alarm U-lock. Proven ABUS security technology paired with a powerful alarm system protects your bike/motorcycle from theft. The compact lock with a 12 mm hardened round shackle and specially hardened steel parts offers maximum security. The lock cylinder is tamper-proof, while the 100 dB loud alarm is activated by vibration and movement to deter thieves.

  • Lock type: U-lock
  • Security level: Level 8/15
  • Lock type: Key lock
  • Scope of delivery: QR code card, USH holder, 2x keys, CR2 battery



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Delivery Time: approx. 3-5 days

In stock - Delivery time: approx. 3-5 days

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ABUS 440 Alarm

Equipment of the ABUS 440A/150 ALARM

  • Safety level 8 from 15
  • Hardened 12 mm round bracket
  • Specially hardened steel parts for maximum safety
  • Modern design for optimum handling High-quality locking cylinder to prevent tampering
  • 100 dB loud alarm function for 15 seconds
  • Vibration sensor for additional protection

Technology from ABUS

Double locking

Double locking of the shackle in the lock body


Lock with 100 dB alarm function


The ABUS 440A/150HB230 Alarm U-lock is the ideal solution to effectively protect your bike from theft. It combines proven ABUS security technology with a powerful alarm system, making it more than just a conventional lock. The compact design and the hardened 12 mm round bracket ensure a robust construction.

Made of specially hardened steel, the shackle, housing and load-bearing parts of the locking mechanism are extremely resistant to attempts to break them open. The high-quality lock cylinder provides additional protection against manipulation such as picking. But the highlight of this U-lock is undoubtedly the integrated alarm system.

The 3D Position Detection System registers even the smallest movement and vibration. As soon as someone tampers with the bike, the alarm sounds at a deafening 100 decibels – comparable to the noise of a circular saw. This volume can be heard from afar and effectively deters any potential thief. The alarm runs for 15 seconds and is then automatically re-armed.

The 440A/150HB230 U-lock comes with a CR2 battery so it’s ready to go right out of the box. The modern design of the lock body casing enables comfortable handling. Protect your prized possession with this reliable alarm system and enjoy the peace of mind that your bike is optimally protected no matter where you park it.

More value retention for your bike!

scope of delivery

  • operation manual
  • CR2 battery
  • 2x key
  • QR code card (for spare key)
  • USH holder (with accessories)

Frequently Asked Questions

How can I open and close the U-lock?

The ABUS 440A/150HB230 ALARM can be opened and closed classically by key.

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