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BEST DISC BRAKE LOCKS OF 2026

Updated
Updated
BEST OF THE BEST
YOHOOLYO Disc Lock Alarm
YOHOOLYO
Disc Lock Alarm
Heavy-Duty Alarm Lock
Robust anti-theft device designed for motorcycles and bicycles, featuring a built-in alarm system that emits a loud 110dB siren when tampered with, deterring thieves effectively.
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Pros & Cons
PROS
  • Loud alarm deters theft
  • Durable and weather-resistant
  • Simple to use
CONS
  • Alarm sensitivity may cause false triggers
  • Replacement batteries required
BEST OF THE BEST
YOHOOLYO Disc Lock Alarm
Heavy-Duty Alarm Lock
Material: Metal alloy
Alarm Volume: 110dB
Locking Pin Diameter: 7mm
Battery Type: 6 x LR44 (included)
Weight: 0.88 lbs

The YOHOOLYO Disc Lock Alarm is engineered for riders seeking peace of mind when parking their motorcycles or bicycles in public spaces. Its solid metal construction ensures durability and resistance to tampering, while the integrated alarm system provides an additional layer of security.

The lock is easy to install, simply clamping onto the disc brake of your vehicle.When movement or vibration is detected, the alarm is triggered, emitting a piercing 110dB sound that draws attention and scares off potential thieves.

The lock is waterproof and suitable for use in various weather conditions, making it a reliable choice for daily commuters and travelers alike. The package includes two keys and a set of replacement batteries, ensuring long-term usability.

PROS
  • Loud alarm deters theft
  • Durable and weather-resistant
  • Simple to use
CONS
  • Alarm sensitivity may cause false triggers
  • Replacement batteries required
BEST BANG FOR THE BUCK
Trimax T645S
Compact Keyed Disc Lock
Material: Hardened steel
Locking Pin Diameter: 14mm
Color: Yellow
Weight: 0.9 lbs

The Trimax T645S Disc Lock is a practical solution for riders who want a straightforward, mechanical deterrent against theft. Its compact size makes it easy to carry in a pocket or under the seat, while the hardened steel body and 14mm locking pin resist cutting and prying attempts.

The lock features a simple push-button locking system, allowing for quick and hassle-free attachment to your disc brake. The bright yellow finish increases visibility, serving as a visual deterrent to would-be thieves.

The package includes two keys, and the lock is suitable for most motorcycles and scooters with vented disc brakes.

PROS
  • Strong and durable build
  • Highly visible deterrent
  • Easy to operate
CONS
  • No alarm feature
  • May not fit all disc brakes
Kryptonite Kryptolok 000884
Smart Bluetooth Disc Lock
Material: Hardened steel
Locking Pin Diameter: 5.5mm
Connectivity: Bluetooth
Battery: USB rechargeable
Weight: 1.1 lbs

The Kryptonite Kryptolok 000884 brings modern technology to motorcycle security. This disc lock features a robust steel body and a 5.5mm locking pin, providing strong resistance against cutting and leverage attacks.

What sets it apart is its Bluetooth connectivity, which allows users to lock, unlock, and monitor the device using the Kryptonite app on their smartphone.The app sends tamper alerts and can track the lock’s status, offering an extra layer of convenience and security.

The lock is weather-resistant and designed for daily use, making it suitable for riders who want both physical and digital protection for their vehicles. The package includes a USB charging cable and a carrying pouch.

PROS
  • Smartphone control and alerts
  • Strong steel construction
  • Weather-resistant
CONS
  • Requires charging
  • Higher price point
MYSBIKER Silver Knight
Budget-Friendly Disc Lock
Material: Alloy steel
Alarm Volume: 110dB
Locking Pin Diameter: 6mm
Battery Type: 6 x LR44 (included)
Weight: 0.8 lbs

The MYSBIKER Silver Knight Disc Brake Lock is a cost-effective security solution for riders on a budget. Despite its low price, it offers reliable protection with a 110dB alarm that activates upon detecting vibration or movement.

The lock is constructed from high-quality alloy, ensuring resistance to cutting and sawing.Its compact design makes it easy to carry, and the included reminder cable helps prevent accidental riding with the lock engaged.

The lock is suitable for most motorcycles, scooters, and even bicycles with disc brakes. It comes with two keys, a set of batteries, and a carrying pouch for convenience.

PROS
  • Affordable price
  • Loud alarm
  • Easy to carry
CONS
  • Alarm may be overly sensitive
  • Not as robust as premium models
ABUS Granit Detecto X-Plus 8077
Premium Hardened Steel Lock
Material: Hardened steel
Alarm Volume: 100dB
Locking Pin Diameter: 13.5mm
Battery: AAA (included)
Weight: 2.4 lbs

The ABUS Granit Detecto X-Plus 8077 is designed for riders who demand the highest level of security for their motorcycles. Its body and locking pin are made from specially hardened steel, providing exceptional resistance to cutting, drilling, and other forms of attack.

The lock is equipped with a 100dB alarm that activates upon detecting movement, ensuring any tampering attempts are met with a loud deterrent.The advanced X-Plus key system offers superior protection against picking, and the lock is weatherproof for reliable use in all conditions.

The bright color increases visibility, and the lock is compatible with most motorcycle disc brakes. The package includes two keys (one with an LED light), a key code card for replacement, and batteries.

PROS
  • Exceptional security features
  • Highly resistant to attacks
  • Advanced key system
CONS
  • Higher cost
  • Heavier than basic locks

How our picks compare

SpecificationYOHOOLYO Disc Lock AlarmTrimax T645SKryptonite Kryptolok 000884MYSBIKER Silver KnightABUS Granit Detecto X-Plus 8077
MaterialMetal alloyHardened steelHardened steelAlloy steelHardened steel
Alarm Volume110dB--110dB100dB
Locking Pin Diameter7mm14mm5.5mm6mm13.5mm
Battery Type6 x LR44 (included)--6 x LR44 (included)-
Weight0.88 lbs0.9 lbs1.1 lbs0.8 lbs2.4 lbs
Color-Yellow---
Connectivity--Bluetooth--
Battery--USB rechargeable-AAA (included)