440A Alarm U-Lock - 4.2 x 6.3, Keyed Bike Lock

The Abus 440A Alarm U-Lock comes with a reliable 3D Position Detection System that can pick up even the tiniest movements. This bike lock is a great choice for keeping your bike safe. It features a hardened 12 mm round shackle, and when triggered, it blares an alarm at a volume of at least 100 dB for 15 seconds, then automatically reactivates. The lock comes with CR2 batteries. The shackle, body, and load - bearing parts of the locking mechanism are made from specially hardened steel. Its length is 6.3 inches, diameter is 23 mm, and it has a keyed lock style.

Using this Abus 440A Alarm U - Lock is easy. First, insert the key into the lock and unlock it. Then, place the U - shaped shackle around a sturdy object and your bike's frame. Lock it by turning the key. Remember to keep the key in a safe place. When it comes to maintenance, check the batteries regularly. If the alarm doesn't sound as loudly as it should, it might be time to replace the CR2 batteries. Also, keep the lock clean and dry to prevent rust. Avoid using the lock in extremely harsh environments. If the lock gets damaged, don't try to fix it yourself; instead, contact the manufacturer for assistance.