Xena Roadloc Brake Rotor Disc Lock, Small
Confirmed fitments at bottom of this page.
For Scooters
2nd generation key and tumbler set prevents easy picking and the lock comes with an audible tilt or trauma siren to alert you if the bike is moved before the lock has been removed (added benefit that you will be reminded to remove the lock before trying to ride the bike).
Comes with 2 keys.
A cable conversion kit is available as well that allows you to use this lock with an anchoring cable.