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Motorcycle Alarm Disc Brake Lock, Motorcycle Locks Anti-Theft Security Wheel Disc Lock Waterproof 110dB Alarm Sound with 5ft Reminder Cable Keys and Carry Pouch for Motorbike Bike Scooter

4.5 out of 5 stars 2,263 ratings
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Purchase options and add-ons

Brand Mathtoxyz
Compatible Devices Motorcycles
Maximum Range 15 Meters
Noise Level 110 dB
Remote Control Included? No

About this item

  • Protect Your Motorcycle: Our Motorcycle locks keep your motorcycle safe with built-in sensors detecting shocks and movements, and a 110dB alarm system that scares off potential loss. It's perfect for those who park their motorcycle outside or at an apartment. Necessary motorcycle accessories Added security and peace of mind.
  • Easy to use: press the alarm lock button to start the locking operation, and 5 seconds later there will be a "beep" to indicate the alarm is activated correctly. To shut off the alarm you will either have use the key to unlock it or wait 30 seconds use the key to unlock the alarm. Our engineers have implanted some special algorithms into the alarm device to solve the error of most other locks Abnormally alarms sounding.
  • Durable and weather-resistant: Motorcycle locks anti-theft made of aluminum alloy, our motorcycle lock is waterproof and can withstand different weather conditions, helping you use it outdoors for a long time. Plus, with its replaceable battery, you can easily maintain it for long-term use.
  • Fits Most Motorcycles and Bikes: Our disc brake lock is suitable for most motorcycles and bikes with disc brakes, where the rotor is less than 7mm(1/4") thick with holes. Whether you have a motorcycle, moped, scooter, mountain bike, or e-bike, our lock will keep it safe.
  • Package Contents: 1 x Alarm Disk Lock (Batteries Included), 2 x Keys, 1 x Hex Key, 1 x 1.5m Reminder Cable, 1 x Motorcycle Lock Bag.
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    Certification Number
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    Safer chemicals
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    Global Recycled Standard

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From the brand

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  2. I did 11,000 miles 5 years ago and it was a great 6-week adventure. But I made a mistake, "overpackage" made my journey a lot harder. For safety, I brought a bulky chain lock to protect my motorcycle.

    I found this lightweight disc brake lock, but the fly in the ointment was the lack of alarm. After 2 year of hard work, we finally developed this motorcycle lock with alarm. Please remember our brand "Mathtoxyz".

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Product Description

Motorcycle lock
alarm disc lock
Motorcycle Alarm Disc Lock

Disc Lock Alarm

Snap the lock into the disc brake, press the button to sound the disk lock alarm, you will hear a loud "beep" to let you know the disk lock alarm is activated. It is very convenient when locked, no key is required.

disk lock alarm

When vibration is detected, it emits three beeps to warn potential burglars. If the alarm lock detects vibration again, it will emit a continuous high-pitched alarm sound at 110dB to attract everyone's attention and repel thieves.

Alarm Disc Lock Anti-Theft Security Wheel Lock

Each alarm will last 10 seconds and must be disabled by inserting the key to unlock or waiting 10 seconds. Each lock is equipped with 2 keys, please take care of the keys. Because they are the only two keys in the world that can open this disc brake lock.

Specification

Alarm Volume 110dB
Material Rust-resistant heavy duty alloy
Product Protection Waterproof, resistant to high temperatures, sealed against moisture, dust, and dirt, suitable for outdoor climatic conditions.
Reminder rope 1.5m / 4.92ft
Applicable disc brake Disc brake thickness less than 7 mm
Package Included 1 x Alarm Disk Lock, 2 x Keys, 1 x Hex Key, 1 x 1.5m Reminder Cable, 1 x Motorcycle Lock Bag.
Disc Alarm Lock
Motorcycle Lock Rechargeable
Cup Holder
Alarm Disc Lock
Alarm Disc Lock
Alarm Disc Lock
Alarm Disc Lock
Buying Options
Customer Reviews
4.5 out of 5 stars 208
4.0 out of 5 stars 190
4.6 out of 5 stars 793
4.6 out of 5 stars 793
4.6 out of 5 stars 793
4.5 out of 5 stars 2,263
Price $25.99 — no data $20.99 $20.99 $20.99 $20.99
Color Black Black Yellow Blue Red Black
Waterproof ✓ ✓ ✓ ✓ ✓ ✓
Dustproof ✓ ✓ ✓ ✓ ✓ ✓
Rechargeable ✓ none none none none none
Alarm 120dB none 110dB 110dB 110dB 110dB

Product information

Technical Details

Manufacturer ‎Mathtoxyz
Part Number ‎MA-CS-B
Item Weight ‎13.4 ounces
Package Dimensions ‎4.25 x 3.11 x 2.68 inches
Item model number ‎MA-CS-B
Color ‎Black
Material ‎Aluminum
Item Package Quantity ‎1
Sound Level ‎110 dB
Batteries Included? ‎No
Batteries Required? ‎No

Additional Information

ASIN B08W1H4QXL
Customer Reviews
4.5 out of 5 stars 2,263 ratings

4.5 out of 5 stars
Best Sellers Rank #4,954 in Automotive (See Top 100 in Automotive)
#2 in Powersports Alarms & Anti-Theft
Date First Available March 5, 2021

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Motorcycle Alarm Disc Brake Lock, Motorcycle Locks Anti-Theft Security Wheel Disc Lock Waterproof 110dB Alarm Sound with 5ft Reminder Cable Keys and Carry Pouch for Motorbike Bike Scooter
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Price-28% $20.99
List: $28.99		$19.96$19.99$25.99$18.99$13.50
Delivery
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Get it as soon as Wednesday, May 7
Customer Ratings
4.54.5 out of 5 stars2,263
4.44.4 out of 5 stars91
4.94.9 out of 5 stars12
3.33.3 out of 5 stars4
4.44.4 out of 5 stars194
4.64.6 out of 5 stars948
Sold By
noise level
remote included

Customer reviews

4.5 out of 5 stars
2,263 global ratings

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Customers say

Customers find the motorcycle alarm works well, with one mentioning it functions even in below-freezing temperatures, and appreciate its solid construction and effectiveness in securing their bikes. The device is easy to use and set up, provides good value for money, and offers added protection against theft. The alarm volume and sensitivity receive mixed feedback - while some say it's loud enough, others report it sounding randomly, and many find it too sensitive to any kind of movement.

AI-generated from the text of customer reviews

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77 customers mention "Works well"70 positive7 negative

Customers find that the motorcycle alarm works well, with one mentioning it functions effectively even in below freezing temperatures.

"...Product works great and seems to be of good quality. Loudness of alarm is good and works as a good deterent as security...." Read more

"great to have look is good. makes loud noise" Read more

"Been using this for 2 weeks and it works well. It's very sensitive...." Read more

"works👍🏻..." Read more

63 customers mention "Lock quality"56 positive7 negative

Customers find the motorcycle lock to be very solid and easy to attach to the brakes, effectively securing their bikes.

"Great little security lock. Small compact amd easy to store in my bike in case I need it for overnight trips in sketchy areas...." Read more

"Material Quality is Good. It's Loud enough for my needs. Sensitivity is Perfect. Don't get any false Alarms. Battery life?..." Read more

"...Sits in the sun most of the day and have not had issued yet. Seems well built." Read more

"This secured well my bike" Read more

33 customers mention "Ease of use"33 positive0 negative

Customers find the motorcycle lock easy to use and set up, particularly noting it's convenient for quick stops. One customer mentions it provides peace of mind during overnight trips.

"I really like the alarm feature. Cheap, easy, and quick....perfect to make sure your dirt bike doesn't walk off at camp while you're asleep." Read more

"...The batteries for this device were easy to install. The alarm is sensitive and motion triggered...." Read more

"Simple set up and attachment, great idea with the reminder cord. Works as it should." Read more

"very easy to use...." Read more

29 customers mention "Durability"23 positive6 negative

Customers find the motorcycle alarm to be of excellent quality.

"...Product works great and seems to be of good quality. Loudness of alarm is good and works as a good deterent as security...." Read more

"Great Product" Read more

"Excelente producto" Read more

"...It's quite loud and made out of metal so seems to be of good quality...." Read more

28 customers mention "Value for money"28 positive0 negative

Customers find the motorcycle alarm to be good value for money.

"...Loudness of alarm is good and works as a good deterent as security. Good price compared to other models that are over priced...." Read more

"...Definitely worth the $" Read more

"I really like the alarm feature. Cheap, easy, and quick....perfect to make sure your dirt bike doesn't walk off at camp while you're asleep." Read more

"Perfect purchase" Read more

26 customers mention "Security"26 positive0 negative

Customers appreciate the motorcycle alarm's security features, noting it provides added protection against theft and serves as a deterrent.

"...Loudness of alarm is good and works as a good deterent as security. Good price compared to other models that are over priced...." Read more

"...Good thief deterrent and it is annoyingly LOUD which is the point...." Read more

"Keeps thief's away from my bike, alarm built in, sound is loud and awake to warn, fits in the rotors holes perfectly." Read more

"...let me tell u this device is the real deal when it comes to protecting your motorcycle this device hook right into your rotor and very sensitive to..." Read more

94 customers mention "Alarm volume"57 positive37 negative

Customers have mixed opinions about the alarm volume, with some finding it loud enough while others report that it starts sounding randomly.

"...Product works great and seems to be of good quality. Loudness of alarm is good and works as a good deterent as security...." Read more

"great to have look is good. makes loud noise" Read more

"...Good thief deterrent and it is annoyingly LOUD which is the point...." Read more

"Material Quality is Good. It's Loud enough for my needs. Sensitivity is Perfect. Don't get any false Alarms. Battery life?..." Read more

60 customers mention "Sensitivity"25 positive35 negative

Customers have mixed opinions about the alarm's sensitivity, with some finding it super sensitive to any kind of movement, while others consider it too sensitive.

"...I just end up putting it in my bag. It does have weird sensitivity issues. Buddy was able to mess with bike but not have it go off...." Read more

"Material Quality is Good. It's Loud enough for my needs. Sensitivity is Perfect. Don't get any false Alarms. Battery life?..." Read more

"...this product was when colder temperatures arrived, the alarm was triggered overnight and continued to alarm continuously until the morning when I..." Read more

"Been using this for 2 weeks and it works well. It's very sensitive...." Read more

Perfecto
5 out of 5 stars
Perfecto
Muy bueno
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Top reviews from the United States

  • sandra
    5.0 out of 5 stars great for bike
    Reviewed in the United States on April 28, 2025
    Color: BlackVerified Purchase
    great to have look is good. makes loud noise
    Helpful
     Report
  • ShaunG
    5.0 out of 5 stars Great security lock
    Reviewed in the United States on March 21, 2025
    Color: BlackVerified Purchase
    Great little security lock. Small compact amd easy to store in my bike in case I need it for overnight trips in sketchy areas. Good thief deterrent and it is annoyingly LOUD which is the point. I love the bright orange cable that hooks onto grips to remind you the lock is still on. Definitely worth the $
    Helpful
     Report
  • Josue ortiz
    5.0 out of 5 stars Perfecto
    Reviewed in the United States on April 24, 2025
    Color: BlackVerified Purchase
    Muy bueno
    Customer image
    Josue ortiz
    5.0 out of 5 stars
    Perfecto

    Reviewed in the United States on April 24, 2025
    Muy bueno
    Images in this review
    Customer image
    Helpful
     Report
  • Miguel Salazar
    4.0 out of 5 stars Good product
    Reviewed in the United States on April 12, 2025
    Color: BlackVerified Purchase
    It does the job, my only complaint would be that the alarm goes off under the rain
    Helpful
     Report
  • Michael D Scruggs
    5.0 out of 5 stars Great Product
    Reviewed in the United States on April 12, 2025
    Color: BlackVerified Purchase
    Great Product
    Helpful
     Report
  • Kamal Mouhim
    5.0 out of 5 stars Good
    Reviewed in the United States on April 11, 2025
    Color: BlackVerified Purchase
    Good
    Helpful
     Report
  • Captain Howdy
    3.0 out of 5 stars Not bad for the price
    Reviewed in the United States on October 7, 2024
    Color: BlackVerified Purchase
    The alarm is not verry loud. Seems would not deter a thief but guess it is better then nothing
    Helpful
     Report
  • Billy Nichols
    5.0 out of 5 stars Lock/Alarm works great. Pleased with my purchase.
    Reviewed in the United States on March 4, 2025
    Color: BlackVerified Purchase
    Received the Motorcycle Lock/Alarm within 2 days as order stated. Product works great and seems to be of good quality. Loudness of alarm is good and works as a good deterent as security. Good price compared to other models that are over priced. Good product for the money
    Helpful
     Report

Top reviews from other countries

Translate all reviews to English
  • Antonio
    5.0 out of 5 stars Fatto bene e funzionante
    Reviewed in Italy on June 21, 2021
    Color: BlackVerified Purchase
    Fatto bene e funzionante, il prodotto si presenta robusto e ben fatto facile da utilizzare.
    Report
  • Mardez
    5.0 out of 5 stars Parfait pour Can Am Ryker
    Reviewed in Canada on April 17, 2025
    Color: BlackVerified Purchase
    Vraiment bien de bonne qualité
    Report
  • Martyna
    5.0 out of 5 stars Buon prodotto, robusto
    Reviewed in Italy on June 11, 2021
    Color: BlackVerified Purchase
    Finalmente un buon prodotto economico ma funzionale e comodo
    Report
  • ABelly09
    5.0 out of 5 stars Works great
    Reviewed in Canada on December 2, 2024
    Color: BlackVerified Purchase
    I have this disc brake lock on my Apollo scooter - it is the thing that prevented it from being stolen (they cut through my bike lock but couldn't get this off the scooter, so they left it behind. 100% recommend. it is VERY loud, but also very sensitive - make sure to lock up your bike/scooter and take everything you need off of it before setting this up or you'll be setting it off.
    Report
  • Mohamed
    5.0 out of 5 stars جودة رائعة
    Reviewed in Egypt on November 29, 2023
    Color: BlackVerified Purchase
    جميل جدا صوت عالي وقوي من الالمونيوم أوعي تنسي وتسوق وهو مقفول في الموتسيكل هيعملك مشكله
    Report