Oxford Alarm-D Pro 320 x 173mm Bike Shackle Lock - Black

Protect your bike with the Oxford Alarm-D Pro U-Lock, a high-security shackle lock designed for ultimate theft prevention. Featuring a reinforced, extra-thick lock body and a 14mm hardened steel shackle, it surpasses the Sold Secure Pedal Cycle GOLD standard for outstanding resistance against cutting and picking.

This advanced bike security lock also includes a 120dB weatherproof motion and shock-activated alarm, deterring potential thieves with a powerful siren. For added convenience, it comes with an easy-to-mount carry bracket for hassle-free transport.

The Alarm-D Pro DUO (LK369 model) includes a 1.2m looped cable, allowing you to secure both wheels and your bike frame for extra protection.

• 120dB motion-activated alarm – loud and weatherproof for maximum deterrence
• 14mm special hardened steel shackle – tough against bolt cutters and saws
• Anti-pick locking mechanism – advanced security to prevent tampering
• Unique carry bracket – easy to mount and transport
• Vinyl-coated shackle – protects bike paintwork from scratches
• 3 keys supplied – plus a key replacement service for peace of mind
• Long-life Lithium CR2 battery – replaceable for extended use
• Sold Secure Pedal Cycle GOLD certified (alarm component not included in certification)
• 1.2m cable included (Duo model only)
• Available in two U-lock sizes to suit different bike security needs

Whether you’re a commuter, city cyclist, or mountain biker, the Oxford Alarm-D Pro offers premium protection against bike theft.