Parking a motorcycle in public always carries a theft risk. In many cities, stolen motorcycles are a growing problem. Thieves target all types of bikes, from sport models to touring machines.
A disc lock is a compact security device that attaches to the brake disc. It prevents wheel movement and makes theft harder. Compared to heavy chains, a disc lock is easier to carry and faster to use.
This guide lists the best motorcycle disc locks in 2025. Each option is tested for build strength, alarm performance, and fit with common disc sizes. Riders will find models with or without alarms, suitable for short stops or overnight parking. Every product meets the needs of real motorcycle owners.
Why Do You Need a Disc Lock for Your Motorcycle?
Motorcycles are often parked in open or shared spaces. This increases the chance of theft, especially in busy streets or apartment areas. A disc lock provides visible and physical protection in seconds.
It works by securing a pin through the brake disc holes, stopping the wheel from rotating. This prevents the motorcycle from being rolled away. Many models are small enough to store under a seat or in a side bag.
Alarm-equipped disc locks add extra security. A loud siren activates when the lock detects movement or tampering. This sound draws attention and discourages theft attempts. For riders without storage space for large chains, a disc lock is a practical and effective solution.
Best Motorcycle Disc Locks in 2025 (Quick Picks List)
| Product Name | Best For | Jump to Section |
|---|---|---|
| YOHOOLYO Alarm Disc Lock | Everyday all-in-one protection | Jump to #1 |
| LIHAO Disc Lock | Budget riders with basic needs | Jump to #2 |
| Favoto Alarm Disc Lock | Full accessory set and long-term use | Jump to #3 |
| Mathtoxyz Alarm Disc Lock | Lightweight daily security | Jump to #4 |
| Urban UR210Y Disc Lock | Silent, certified, physical strength | Jump to #5 |
| Kryptonite Evolution Disc Lock | Heavy-duty build, no alarm | Jump to #6 |
| RADIKAL RK14S | SRA-approved alarm security | Jump to #7 |
| ABUS Detecto XPlus 8077 | Premium sensor and smart detection | Jump to #8 |
What to Look for in a Quality Motorcycle Disc Lock?
The right disc lock makes a big difference in how well your motorcycle stays protected. This guide covers the most important features to check before you buy. Each one affects how the lock performs, how it fits your bike, and how easy it is to use every day.
Alarm Volume (dB)
Louder alarms attract more attention. A disc lock with a 110 dB or higher alarm can scare off most theft attempts. Some models also offer warning sounds before triggering a full alert. That gives time for early reaction.
Pin Thickness
The locking pin should match your brake disc. Most motorcycles need a lock with a 6–7 mm pin. Thicker pins offer more strength but may not fit all rotors. Always check the rotor hole size before buying.
Quick Tip: Most motorcycles have a 6–7 mm disc thickness—make sure your lock fits.
Build Quality (Steel or Alloy)
High-strength materials increase protection. Hardened steel and treated alloy resist cutting, sawing, and hammering. Stainless steel also lasts longer outdoors. Cheaper locks may crack under pressure.
Weatherproofing
Locks must survive outdoor use. Look for models that are rust-resistant and sealed against water. Waterproof locks perform better during rain and moisture. That keeps the alarm working and avoids long-term damage.
Ease of Use
You should lock your bike in seconds. Push-to-lock features and simple key systems save time. Some models arm themselves automatically. Avoid locks that need complex steps to set.
Compatibility with Motorcycle Discs
Brake discs vary in thickness and hole size. You must match the lock pin and body size to your rotor. Oversized locks may not fit through tight disc gaps. Compact locks are often better for these bikes.
Visual Deterrence
Bright colors help others notice the lock. That can stop some theft attempts before they start. Orange or yellow cables and bodies work well. Thieves usually avoid visible locks.
Security Certifications
Trusted certifications show the lock passed quality tests. Labels like SRA or Sold Secure Gold mean better protection. These models resist real-world attacks tested in labs.
Top 8 Best Disc Locks for Motorcycles in 2025 (Detailed Reviews)
Each product listed below is selected based on alarm strength, build quality, disc fitment, and ease of use. These disc locks work well for most motorcycles. Every product also meets the key criteria for riders who park in urban or outdoor areas.
1. YOHOOLYO Alarm Disc Lock
The YOHOOLYO disc lock is a strong all-around option. It includes a 110 dB motion-triggered alarm that activates when the motorcycle is moved or tampered with. The body is made from solid metal, giving it high resistance to force. This lock works with disc brakes that have standard rotor holes.
It uses a 7 mm locking pin, which fits most front and rear discs. The set includes a 5 ft reminder cable, a carry pouch, and extra batteries. This makes it ideal for daily riders who want compact and reliable security. It locks with a simple push and does not require tools. The waterproof design protects the internal parts during rainy conditions.
This lock suits riders who want a trusted and compact motorcycle disc lock with alarm for daily protection. The alarm is loud enough to alert people nearby and deter theft attempts.
- Best For: All-around daily use
- Alarm: 110 dB
- Pin Size: 7 mm
- Build: Full metal, waterproof
- Visual Deterrent: Included reminder cable
- Lock Type: Push-to-lock
- Compatibility: Fits most motorcycles with standard rotor holes, such as sport bikes, standards, small cruisers, and café racers.
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2. LIHAO Motorcycle Disc Lock
The LIHAO motorcycle disc lock is compact, easy to carry, and made from hardened steel. It uses a 110 dB alarm that responds to shock and motion. The built-in microprocessor controls the sensor to reduce false triggers. This makes the lock more reliable when used in public parking areas.
It fits disc rotors that are 7 mm thick or less. This size covers most motorcycle front brake rotors. The stapler-style design locks directly onto the disc to stop wheel movement. The lock self-arms within 15 seconds after detecting no movement, so it is ready without manual setup.
Its zinc alloy body is sealed against water, dust, and dirt to prevent corrosion over time. Two keys are included for convenience. Although a reminder cable is not included, one can be added.
This lock works well for riders seeking an affordable and durable motorcycle disc lock with an alarm. Its noise level, steel body, and auto-reset system make it a good option for regular city use.
- Best For: Budget-conscious riders
- Alarm Volume: 110 dB
- Pin Size: Fits discs up to 7 mm thick
- Build Material: Hardened steel with zinc alloy body
- Visual Deterrent: No reminder cable included
- Locking Mechanism: Stapler-style, self-arming
Compatibility: Works with motorcycles, scooters, and lightweight bikes with disc thickness up to 7 mm.
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3. Favoto Alarm Disc Lock
The Favoto disc lock is designed for riders who want extra keys, long battery life, and reliable alarm performance. It includes a 110 dB alarm that activates when motion is detected. The alarm system starts with a warning sound, then triggers a full alert if the movement continues. This feature helps reduce false alarms while maintaining strong security.
The lock uses a 7 mm stainless steel pin. It fits most disc brakes on motorcycles, scooters, and similar two-wheelers. The outer cover is made from metal, and the inner core uses stainless steel. This construction protects against rain, dust, and impact. The package includes 18 LR44 batteries and 3 keys, adding long-term value.
Its coiled reminder cable is bright and connects from the lock to the handlebar. This helps prevent accidental movement with the lock still attached. A carrying pouch is included for easier transport. The lock also provides a low battery warning tone, so the user knows when to replace power.
This model is one of the best motorcycle disc locks with alarm for everyday use. It combines strong build quality, a user-friendly setup, and complete accessories in a compact size.
- Best For: Long-term use with full accessory set
- Alarm: 110 dB
- Pin Size: 7 mm
- Build: Stainless steel interior, metal outer shell
- Visual Deterrent: Orange reminder cable
- Lock Type: Push-to-lock
- Compatibility: Suitable for motorcycles, scooters, and mopeds with standard 7 mm rotor holes.
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4. Mathtoxyz Motorcycle Alarm Disc Brake Lock
The Mathtoxyz disc lock offers a strong mix of security and usability for motorcycle riders. It uses a 110 dB alarm that activates after detecting shock or movement. The system includes a short delay to help prevent false triggers. Once the motorcycle is moved again, the alarm sounds for 10 seconds to alert people nearby.
This lock fits disc brakes with a thickness under 7 mm, which matches most motorcycle rotors. The 7 mm locking pin is built into a solid aluminum alloy body. Its housing is resistant to water, high temperatures, and dust. The internal electronics are protected for reliable outdoor use.
The package includes a 1.5-meter reminder cable, two security keys, and a carrying pouch. Its one-touch locking system makes it quick to use in daily conditions. The alarm can be reset by unlocking the device or waiting for the alert to end.
This motorcycle disc lock with alarm is well-suited for riders who park outside or in shared areas. Its compact design and dependable alarm make it a practical choice for city use.
- Best For: Simple daily protection
- Alarm: 110 dB
- Pin Size: 7 mm
- Build: Rust-resistant aluminum alloy
- Visual Deterrent: Yellow or red body, reminder cable
- Lock Type: One-button activation
Compatibility: Fits motorcycles with disc thickness under 7 mm, such as commuter bikes, dual-sport models, and some café racers.
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5. Urban UR210Y Motorcycle Disc Lock
The Urban UR210Y is a disc lock built for strong physical protection without an alarm. It features a 10 mm locking shaft made from high-strength stainless steel. The double-locking mechanism secures both ends of the shackle, adding extra resistance to cutting or pulling. This structure makes it suitable for riders who need silent and solid security.
Its compact body is lighter than many other high-security disc locks, making it easier to carry without adding bulk. The body and internal components are made of stainless steel with an anti-corrosion treatment. This increases durability and ensures reliable performance in different weather conditions.
The lock fits most motorcycles with a disc that supports a 10 mm pin. It comes with a bright yellow reminder cable and three high-security keys. The locking core uses an anti-drill disc-style system for added resistance against forced entry.
This model is ideal for riders who prefer a non-alarm motorcycle disc lock. It performs well in areas where alarms are less effective or not permitted.
- Best For: High-strength silent protection
- Alarm: No
- Pin Size: 10 mm
- Build: Stainless steel, anti-corrosion
- Visual Deterrent: Yellow finish, reminder cable
- Lock Type: Key-operated double lock
- Compatibility: Works with motorcycles that support a 10 mm pin, including cruisers and adventure bikes.
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6. Kryptonite Evolution Compact Disc Lock
The Kryptonite Evolution is a compact motorcycle disc lock built for riders who want strong physical protection without an alarm. It features a 13 mm hardened steel shackle that resists bolt cutters and twisting attacks. The flat-top plate design allows better positioning on the disc rotor, improving fit and increasing resistance to forced removal.
Its compact height makes it easier to carry and store, which is useful for riders with limited space. The lock includes a double deadbolt system that secures the shackle from both sides, adding extra strength against pulling tools.
The package includes three stainless steel keys and a bright orange reminder cable. The high-visibility color acts as a visual warning and reduces the risk of riding off with the lock still attached. This model holds Sold Secure Motorcycle Gold and ART 4-star certifications, both recognized for strict security testing.
This is one of the best disc locks for motorcycles that need heavy-duty protection in a compact format. It operates silently while offering high resistance to physical attacks.
- Best For: Silent, compact, high-security use
- Alarm: No
- Pin Size: 13 mm
- Build: Hardened Max-Performance steel
- Visual Deterrent: Orange finish, reminder cable
- Lock Type: Keyed with flat-top shackle
- Compatibility: Fits motorcycles with large rotor holes for a 13 mm pin, such as sport bikes, cruisers, and custom builds.
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7. RADIKAL RK14S Premium Motorcycle Alarm Disc Lock
The RADIKAL RK14S is a high-security motorcycle disc lock with an alarm. It features a 120 dB siren that activates when motion or tampering is detected. The alarm includes a warning mode with six short beeps, alerting the rider before a full alarm is triggered. An LED indicator lights up when the system is active.
Its body is made from specially hardened stainless steel. The 14 mm locking pin uses a double locking system for added resistance against force. This structure protects against pulling, drilling, and sawing tools. The internal disc detainer core has anti-pick and anti-drill technology. Each key is unique and comes with a security code for safe duplication.
The lock works with most brake discs that can accommodate a 14 mm pin through the inner rotor gaps. It includes one CR2 battery to power the alarm module. Both the battery and the alarm module are easy to replace when required.
This lock holds CLASSE SRA approval, a respected European security standard. It is suitable for riders who need maximum theft resistance in public or high-risk parking areas.
- Best For: Maximum alarm protection with high certification
- Alarm: 120 dB with warning mode
- Pin Size: 14 mm
- Build: Hardened stainless steel
- Visual Deterrent: LED alert and solid design
- Lock Type: Keyed with alarm activation button
Compatibility: Suitable for motorcycles with wide rotor gaps for a 14 mm pin, such as adventure bikes and sport bikes.
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8. ABUS Granit Detecto XPlus 8077 Alarm Disc Lock
The ABUS Granit Detecto XPlus 8077 is a premium motorcycle disc lock with an alarm. It uses a 13.5 mm hardened steel bolt to secure the brake disc. The internal mechanism features a 100 dB alarm that responds to movement through a 3D position sensor. This system allows the lock to detect tampering from any direction.
Its brake disc recognition technology prevents false alarms during transport. The alarm resets automatically after each activation. The XPlus key system protects against picking and comes with an LED light key for easier use in low-light conditions. The lock is powered by three pre-installed lithium batteries.
This model fits most motorcycles with large disc slots. The rectangular body is strong and covered with a vinyl coating to protect the brake disc surface. The bright yellow finish adds a visual deterrent to discourage theft.
This is one of the best disc locks with an alarm for riders seeking advanced sensor-based protection and reliable daily use.
- Best For: Premium sensor-based alarm protection
- Alarm: 100 dB with auto-reset
- Pin Size: 13.5 mm
- Build: Hardened steel with vinyl coating
- Visual Deterrent: Yellow finish
- Lock Type: Keyed with 3D motion sensor
- Compatibility: Fits motorcycles with large disc slots, such as sport bikes, cruisers, and touring motorcycles.
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Quick Comparison Table: Best Disc Locks for Motorcycles
This table compares key features of the top-rated motorcycle disc locks. It helps riders choose based on their bike type, security needs, and preferred features.
| Product | Alarm | Pin Size | Build Material | Visual Alert | Best For |
| YOHOOLYO Alarm Disc Lock | 110 dB | 7mm | Full Metal Alloy | Yes (Cable) | Balanced daily protection |
| LIHAO Disc Lock | 110 dB | ≤7mm | Hardened Steel, Zinc | No | Budget-focused riders |
| Favoto Alarm Disc Lock | 110 dB | 7mm | Stainless Steel + Metal | Yes (Cable) | Long-term use with extras |
| Mathtoxyz Alarm Disc Lock | 110 dB | 7mm | Aluminum Alloy | Yes (Cable) | Basic outdoor security |
| Urban UR210Y Disc Lock | None | 10mm | Stainless Steel | Yes (Cable) | Silent, high-strength use |
| Kryptonite Evolution Disc Lock | None | 13mm | Hardened Steel | Yes (Cable) | Compact heavy-duty protection |
| RADIKAL RK14S Alarm Disc Lock | 120 dB | 14mm | Hardened Stainless Steel | LED Alert | Certified high-level security |
| ABUS Detecto XPlus 8077 | 100 dB | 13.5mm | Hardened Steel | Yes (Color) | Sensor-based advanced locking |
Each product in this list fits most motorcycles. Some are better for smaller rotor holes, while others provide maximum protection for large-gap rotors. Use this comparison to narrow your choice based on alarm type, pin size, or build quality.
Which Motorcycle Disc Lock Is Best for Your Bike?
After testing alarm volume, build strength, fit, and ease of use, the YOHOOLYO Alarm Disc Lock is the best choice for most riders in 2025. It is reliable and easy to carry. It fits the majority of motorcycles without modification. The alarm is loud enough to scare away most theft attempts. The lock body is built for daily use in any weather. A reminder cable and spare batteries are included, so it is ready to use out of the box.
If you want maximum theft protection and can spend more, choose the RADIKAL RK14S. It has a 14 mm pin, a 120 dB siren, and high-level security certification. It is heavier and needs wider rotor gaps, but the protection level is unmatched.
For riders who want a silent option, the Kryptonite Evolution is the strongest non-alarm lock. The 13 mm hardened steel shackle and double deadbolt system make it extremely difficult to force open.
The other models on this list are good for specific needs. But if you are unsure, start with the YOHOOLYO for balanced performance. Or step up to the RADIKAL if you want the highest security available.
FAQs
Are motorcycle disc locks effective?
Yes, A quality disc lock stops the wheel from rotating, making it impossible to roll the motorcycle away without removing it. Alarm models add a loud sound that draws attention during a theft attempt.
What’s a disc lock?
A disc lock is a compact security device that attaches to the brake disc of a motorcycle. It uses a locking pin through the rotor holes to prevent wheel movement.
Are alarmed disc locks better than silent ones?
Alarmed locks provide noise-based deterrence and work well in public or shared areas. Silent models rely on heavy build strength and are better for noise-restricted locations.
Do disc locks fit all motorcycles?
Most locks fit standard rotor holes of 6–7 mm. Larger pins (10–14 mm) need discs with wider gaps. Always measure before buying.
Can I use a disc lock on the rear wheel?
Yes, if the rear rotor holes match the pin size and there’s enough clearance. However, most riders use them on the front wheel for easier access.
Are motorcycle disc locks waterproof?
Many high-quality models are sealed against rain and moisture. Look for stainless steel or treated alloy builds with waterproof ratings for outdoor parking.
Disclaimer
This article is for informational purposes only. It reflects personal analysis based on publicly available product data and user reviews. Product availability, features, and prices may change over time. Always confirm specifications with the manufacturer before purchase. This content includes affiliate links, which means the author may earn a small commission if you buy through them, at no extra cost to you. All opinions expressed are independent and not sponsored by any brand mentioned.
