Mathtoxyz Motorcycle Disc Lock – 120dB Alarm, Rechargeable & Waterproof

Overview

Meet the Mathtoxyz Motorcycle Disc Lock with a 120 dB alarm. This compact lock combines rugged hardware with smart sensing to help protect a parked motorcycle, bike, or scooter in everyday environments. Built to endure varied weather, it is designed for outdoor parking at apartments, on busy streets, or during longer trips. The audible alarm and a sturdy locking mechanism create a clear signal that can deter tampering and draw attention when needed.

Designed for real world use, this lock emphasizes reliability and ease of maintenance. A single charge can power the system for weeks, reducing the need for frequent battery swaps while you focus on your ride. The device also ships with practical accessories to support secure parking right away, from a reminder cable to a compact carry pouch.

Key features you can count on

• Shock and movement sensors detect tampering or nearby activity and trigger the 120 dB alarm.
• 120 dB sound helps attract attention and signal that the bike is protected.
• Waterproof design suitable for rain, splashes, and damp environments so it stays ready outdoors.
• Rechargeable battery with a fast USB-C charge that reaches full capacity in about 1.5 hours.
• Long standby time of 2 to 3 months after a full charge, reducing maintenance and replacement needs.
• Compatible with most motorcycles and bikes that have a disc brake rotor thinner than 7 mm.

What is included

• Alarm disc lock
• Two keys
• Hex key
• 1.5 m reminder cable
• Carrying pouch for storage and transport

Real world use cases

Whether you park on a crowded city street, take a split second to grab groceries, or leave a bike overnight at a shared residence, the combination of a loud alarm and a compact form factor is easy to carry and quick to deploy. The reminder cable adds a visible cue when you need to keep the bike in view while you step away for a moment.

Ease of use

To lock, press the alarm button. After about five seconds a beep confirms that the alarm is active. To unlock, use the key after a brief delay or once the alarm timer ends. The device includes thoughtful firmware adjustments to reduce false alarms and improve reliability in everyday settings.

Included accessories and a compact carry pouch make it straightforward to store and transport the system for daily commutes or weekend rides, without adding bulk to your gear bag.