110 dB Alarm Disc Brake Lock – Disc Brake Lock for Bicycles, Mopeds & Motorcycles

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Combined disc brake lock and motion alarm in one compact unit

The Alarm Lock 110 dB is a heavy-duty disc brake lock engineered with an integrated motion sensor, delivering optimal anti-theft defense when parking your bicycle, e-bike, moped, scooter, or motorcycle. Mounted directly through the brake disc, it acts simultaneously as a rugged mechanical wheel immobilizer and an ear-piercing audible deterrent at the slightest tampering attempt.

Dual anti-theft security for two-wheeled vehicles

Simply press down the lock cylinder to secure the unit and arm the alarm system. If the built-in sensor detects vibrations or unauthorized movement, a piercing 110 dB siren sounds immediately, scaring off thieves and alerting everyone nearby.

Visible mechanical deterrent: Physically locks the wheel to prevent the vehicle from being wheeled, ridden, or pushed away.

Loud 110 dB siren: Triggers instantly upon physical tampering, vibration, or movement.

Keyless push-to-lock activation: Arm and lock with a single downward push on the cylinder.

Ideal supplementary protection: Perfect alongside a frame lock or heavy chain at bike racks, train stations, workplaces, campuses, or carports.

Weatherproof build for everyday outdoor exposure

Constructed with a solid, impact-resistant cast-metal housing engineered to resist forced entry attempts and harsh seasonal weather. Thanks to water- and dust-resistant sealing, internal electronics perform reliably through rain, sleet, and road spray. The high-visibility reminder cable connects from the lock to your handlebar so you never forget to unlock before riding away.

Specifications

Package Content

1 × Disc brake lock with 110 dB alarm

2 × Precision keys

1 × Coiled high-visibility reminder cable

Important Compatibility & Safety Information

Brake disc requirement: The vehicle must be equipped with ventilated disc brakes featuring holes or cutouts wide enough for the locking pin to pass through.

Not compatible: Cannot be used on vehicles with rim brakes (V-brakes), drum brakes, or solid brake rotors lacking ventilation cutouts.

Always use the reminder cable: Attach the included bright spiral cable between the lock and your handlebar to avoid costly rotor or caliper damage from accidental drive-aways.