Bully Locks Billet Steel Alarm Disc Lock

110db screamer!
Milled from billet steel
8mm hardened steel pin
Anti-pick lock
Movement sensor integrated right into the lock
Electronics sealed against moisture
Key hole cover protects against dust and dirt
Lighted key to assist you at night
Nylon protective carry bag included
Beautifully plated and polished finish
Drill and saw resistant

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Sizing Information

One size fits most motorcycle discs.

Product Video

Our Two Cents

Disc locks are an easy way to secure your motorcycle. Bully has incorporated an alarm into their new line of disc locks at an affordable price. Designed to be installed on the front brake disc, the alarm will emit a 110db siren continuously for 30 seconds when it senses movement.

Setting Alarm

Place lock in position on the bike and push the cylinder down
Press alarm start button, L.E.D. will blink quickly, alarm activates after 5 seconds, L.E.D. will blink intermittently while alarm is active
When the alarm senses movement, It will emit a siren continuously for 30 second.
Unlock to stop alarm (turn key to the right)