Bicycle Disk Brake Anti-Theft Alarm Lock - Waterproof Security Bike Lock with 120dB Alarm for Outdoor Cycling, Commuting, and Parking Protection

"Holy crap, that is WAY louder than I expected. Ouch." 

- the employees who had to open this product and test it to make sure it worked.

With motorcycle theft at an all time high, make sure those thieves steal someone else's bike, not yours! We're not kidding, this thing screams like a banshee when triggered. 

Features:

• 7mm lock pin
• 110dB alarm 
• Waterproof
• Movement/shock sensor

What's in the box: 

• Disc lock 
• Two keys
• Alan key to access the battery compartment
• Batteries are included/installed

How to use: 

1. Ensure your bike will take a 7mm lock pin in the disc brake
2. When you're ready to lock up, simply align the lock pin with the disc hole and push in lock bolt to secure
3. When secured, the lock will beep three times. If disturbed, it will ring loudly for 10 seconds. 
4. When ready to ride again, unlock the bolt. Alarm will sound while unlocking. When not in use, do not depress the bolt - this will trigger the alarm.