---
product_id: 310555048
title: "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"
brand: "mathtoxyz"
price: "A$52"
currency: AUD
in_stock: true
reviews_count: 13
category: "Mathtoxyz"
url: https://www.desertcart.com.au/products/310555048-motorcycle-alarm-disc-brake-lock-motorcycle-locks-anti-theft-security
store_origin: AU
region: Australia
---

# Waterproof aluminum alloy Fits disc brakes ≤7mm thick 110dB alarm sound 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

**Brand:** mathtoxyz
**Price:** A$52
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock it. Alarm it. Own the street with confidence.

## Quick Answers

- **What is this?** 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 by mathtoxyz
- **How much does it cost?** A$52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/310555048-motorcycle-alarm-disc-brake-lock-motorcycle-locks-anti-theft-security)

## Best For

- mathtoxyz enthusiasts

## Why This Product

- Trusted mathtoxyz brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Complete Security Kit:** Includes 2 keys, 5ft reminder cable, hex key, and a sleek carry pouch for on-the-go peace of mind.
- • **Smart Alarm Sensitivity:** Advanced sensor technology detects shocks with a warning beep before full alarm activation—no false triggers.
- • **Weatherproof Durability:** Crafted from waterproof aluminum alloy, built to withstand rain, sun, and all outdoor elements.
- • **Unmatched Theft Deterrence:** 110dB alarm instantly alerts and scares off thieves, ensuring your ride stays yours.
- • **Universal Fit for Disc Brakes:** Compatible with most motorcycles, scooters, and e-bikes featuring disc brakes up to 7mm thick.

## Overview

This Motorcycle Alarm Disc Brake Lock combines a piercing 110dB alarm with durable, waterproof aluminum construction to protect your bike from theft. Designed to fit most disc brakes up to 7mm thick, it features smart sensors that minimize false alarms and comes with essential accessories including keys, a reminder cable, and a carry pouch—perfect for urban riders who demand reliable, high-tech security.

## Description

desertcart.com: 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 : Automotive

Review: Great for disc brakes - Great product for anyone that has disc brakes on their bike or motorcycle. Not only will it slow down a thief or stop them but it also has an alarm on it to draw attention. The alarm is very loud and very annoying. The alarm is very sensitive. It gives a little warning beep and then goes completely off so doesn't just go off immediately if somebody bumps into it. It fits perfect on my electric bike. Easy to use
Review: Works well. - Works well.

## Features

- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08W1H4QXL |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #12,559 in Automotive ( See Top 100 in Automotive ) #2 in Powersports Alarms & Anti-Theft |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,512) |
| Date First Available | March 5, 2021 |
| Item Package Quantity | 1 |
| Item Weight | 13.7 ounces |
| Item model number | MA-CS-B |
| Manufacturer | Mathtoxyz |
| Material | Aluminum |
| Package Dimensions | 4.17 x 3.27 x 2.64 inches |
| Part Number | MA-CS-B |
| Sound Level | 110 Decibels |

## Product Details

- **Brand:** Mathtoxyz
- **Compatible Devices:** Motorcycles
- **Maximum Range:** 15 Meters
- **Noise Level:** 110 Decibels
- **Remote Control Included?:** No

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/81olX2YLAYL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Is this Worth spending my money**
A: I'm sorry but it is not worth! If this product is purchased for "mechanical" anti-theft (disc lock), then I do not recommend it!
Lightweight and not very durable. In my opinion, the black part is empty because it houses the sound part and the battery compartment. The only positive note is the sound part .. the sound is very loud!

**Q: How to replace the battery of this alarm disc lock?**
A: 1. Open the bottom 4 screws and open the cover 2. Take out the battery compartment and remove the old battery 3. Insert a new battery, paying attention to "+" and "-" 4. Replace the battery compartment, close the cover, and secure it with screws again to complete the task

**Q: I would like to know what the diameter of the pillar of this motorcycle lock is. Is the diameter the same for different colors?**
A: I guess you want to know this size. The diameter of the lock pillar is 0.25 inch, I think this is in line with almost 99% of motorcycle disc brakes unless your disc brakes have no holes.

**Q: Can this be used in rainy days?**
A: It is not waterproof, the lock cylinder became rusty after using in a rainy day, the worest is I used it on my bike and it can not be opened with the key! I have to find a locksmith to open it. The cost is much expensive than the lock itself. BAD EXPERIENCE!

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for disc brakes
*by C***N on April 11, 2025*

Great product for anyone that has disc brakes on their bike or motorcycle. Not only will it slow down a thief or stop them but it also has an alarm on it to draw attention. The alarm is very loud and very annoying. The alarm is very sensitive. It gives a little warning beep and then goes completely off so doesn't just go off immediately if somebody bumps into it. It fits perfect on my electric bike. Easy to use

### ⭐⭐⭐⭐⭐ Works well.
*by J***E on January 24, 2026*

Works well.

### ⭐⭐⭐⭐⭐ Definitely worth the price.
*by S***. on December 1, 2025*

my 2019 Harley Davidson St. glide has a security system already but sometimes we park our bikes and some not so great places to sensitivity is good. The quality seems great easy to install. I love the color matches my bike for the price, very great value and quality I cannot complain. The lock quality seems well.

## Frequently Bought Together

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-23*