The Oxford Alarm-D is a high security D-lock with integral alarm. The Alarm-D boasts a 14mm shackle and comes with a high tech pick-resistant locking system. It also includes a unique carry bracket (not included with Alarm-D Scoot).
The Alarm-D has a key replacement service. When you buy your Alarm-D, simply note down the number which comes attached to the keys on a metal tag. Keep this in a safe place, then in the event that you are unfortunate enough to lose all your keys, it will be possible to get a new key made up for you.
Hardened Steel 14mm shackle and a 16mm shackle on Alarm-D Scoot