ABUS Alarm Disc Lock - 345 Trigger 2.0A great value alarmed disc lock for small to medium motorcycles and scooters. When you want your precious ride to stay yours, ABUS is the effective choice. With a special temper hardened steel construction of the bolt, body, and supporting locking mechanisms, the 345 Trigger 2. 0 disk lock is an excellent deterrent to thieves. With easy one handed and fast operation, you can simply unlock the bolt, remove the key, then fit the lock to your brake disc