The 8 Best Disc Brake Locks

Updated July 20, 2017 by Brett Dvoretz

8 Best Disc Brake Locks
Best High-End
Best Mid-Range
Best Inexpensive
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. Skip to the best disc brake lock on Amazon.

8. Master Lock 8304DPS

The Master Lock 8304DPS 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
  • cord is a little short
  • the locking pin is a bit finicky
Brand Master Lock
Model 8304DPS
Weight 1.6 pounds
Rating 4.2 / 5.0

7. Agile-shop Anti-Theft

The Agile-shop Anti-Theft 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

6. Xena X-1

The Xena X-1 is a solid and reliable option that works with most motorcycles and scooters. It has a bright yellow, freeze-proof, steel body that can withstand theft attempts from the most determined criminals time and time again.
  • relatively lightweight
  • slips onto rotors easily
  • doesn't include a reminder cable
Brand Xena
Model pending
Weight 1.3 pounds
Rating 3.9 / 5.0

5. Coocheer AMD

The Coocheer AMD fits all of the most popular motorcycle brands, including Harley, Yamaha, KTM, and Ducatti. It utilizes a class B lock 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
  • beeps to let you know it is armed
Brand COOCHEER
Model pending
Weight 1.3 pounds
Rating 3.8 / 5.0

4. Urban Security UR6

The Urban Security UR6 is a premium European-made model with two integrated alarms. They are easily controlled via a single button and simultaneously beep and shoot out a powerful light signal from the top of the disc body if tampered with.
  • comes with a battery
  • lock and alarm are independent
  • durable 6 mm steel shaft
Brand Urban Security
Model UR6
Weight 1.2 pounds
Rating 4.8 / 5.0

3. Sigtuna Gear Asgard

The Sigtuna Gear Asgard comes in a bright 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 steel body to put your mind at ease.
  • locking pin secures to both sides
  • fits disc brakes up to 6 mm
  • completely weatherproof
Brand Sigtuna Gear
Model ASGARD
Weight 1.6 pounds
Rating 4.8 / 5.0

2. 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

1. Kryptonite Evolution Series 4

Keep your investment safe with the ultimate Kryptonite Evolution Series 4. It is built with a hardened 14 mm steel shackle that is resistant to any cutting attempts, plus 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

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Last updated on July 20, 2017 by Brett Dvoretz

A wandering writer who spends as much time on the road as behind the computer screen, Brett can either be found hacking furiously away at the keyboard or perhaps enjoying a whiskey and coke on some exotic beach, sometimes both simultaneously, usually with a four-legged companion by his side. He hopes to one day become a modern day renaissance man.


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