The 8 Best Disc Brake Locks

We spent 27 hours on research, videography, and editing, to review the top choices for this wiki. A motorcycle or scooter is a great, economical way to zip around town and to and from work or school. Unfortunately, they are also a common target for thieves because they can be pushed fairly easily. That is, unless you install one of these disc brake locks, which are specifically designed to immobilize your ride’s wheel and deter any would-be theft attempt. When users buy our independently chosen editorial picks, we may earn commissions to support our work.

8. Agile-Shop Anti-Theft 6mm

The Agile-Shop Anti-Theft 6mm is small and compact, so storing it somewhere on your bike shouldn’t be much of a problem. It features a loud, 100 dB electronic alarm that will go off if somebody messes with it too much, and the battery door is tamper-proof, as well.


  • Subtle blue color
  • Gives warning beeps
  • Only includes two keys















Brand Agile-shop
Model pending
Weight 15.4 ounces
Rating 3.7 / 5.0

7. Master Lock 8304 DPS

The Master Lock 8304 DPS helps to prevent hot wiring or roll-away bike thefts and features a bright orange reminder cord, so you don’t accidentally try and ride away while it is locked. It’s a low cost security investment, but not as heavy-duty as some other brands.


  • Made by a well-known company
  • Cable is a little short
  • The locking pin is a bit finicky















Brand Master Lock
Model 8304DPS
Weight 1.6 pounds
Rating 3.8 / 5.0

6. Coocheer AMD 110dB

The Coocheer AMD 110dB fits all of the most popular motorcycle brands, including Harley-Davidson, Yamaha, KTM, and Ducati. It utilizes a class B cylinder that cannot be sawed off, pried open, or otherwise broken to keep your bike secure in all situations.


  • Extremely loud alarm
  • Rust- and water-proof mechanism
  • Replacing the battery is a pain















Brand COOCHEER
Model pending
Weight 1.3 pounds
Rating 3.8 / 5.0

5. Sigtuna Gear Bright Asgard

The Sigtuna Gear Bright Asgard comes in a loud yellow color, so hopefully thieves will see it and be deterred before they even attempt to steal your bike. If not, though, it has a carbon steel bolt and a tempered body to put your mind at ease.


  • Locking pin secures to both sides
  • Completely weatherproof
  • Keys aren’t high-quality















Brand Sigtuna Gear
Model ASGARD
Weight 1.6 pounds
Rating 4.8 / 5.0

4. Onguard Boxer

With its compact stapler-style design, the innovative Onguard Boxer gets the job done and doesn’t require a lot of storage space. It is offered at a great value, as it includes a disc reminder cable and a carrying pouch for easy portability.


  • Locks and unlocks smoothly
  • Included keys aren’t too bulky
  • Comes in 7 bright colors















Brand ONGUARD
Model 8052R
Weight 1.6 pounds
Rating 4.6 / 5.0

3. Urban Security UR6

The Urban Security UR6 is a premium, European-made model with two integrated alarms. They are easily controlled by a single button, and simultaneously beep and shoot out a powerful light from the top of the disc body if tampered with.


  • Comes with a battery
  • Lock and speaker are independent
  • Durable six millimeter steel shaft















Brand Urban Security
Model UR6
Weight 1.2 pounds
Rating 4.8 / 5.0

2. Acekit Veison 6mm Heavy Duty

The Acekit Veison 6mm Heavy Duty is exceptionally easy to put in place after you hop off your bike, as its design supports a one-handed operation. That way, you don’t even have to set your helmet down in order to secure your ride.


  • Three color options
  • Keyless locking mechanism
  • Unique anti-copy keys















Brand VEISON
Model pending
Weight 1.2 pounds
Rating 4.5 / 5.0

1. Kryptonite Evolution Series 4

Keep your investment safe with the ultimate Kryptonite Evolution Series 4. It is built with a hardened 14mm steel shackle that is resistant to any cutting attempts, and it features a sliding dust cover to keep the cylinder protected.


  • Includes three keys
  • Utilizes a double deadbolt
  • Drill-resistant construction















Brand Kryptonite
Model 999614
Weight 1.9 pounds
Rating 4.8 / 5.0