Description
Secure Your Ride with the A8 Road Bike Anti-Theft Alarm Lock
Guard your expensive bicycle against professional thieves and improve your road safety instantly. The CycleAddons a8 road bike anti-theft alarm lock is a high-utility, multi-purpose security system explicitly engineered for modern road cyclists, mountain bikers, and urban commuters. Integrating a powerful 115DB anti-burglary siren with a high-visibility LED COB tail light, this smart device offers premium round-the-clock defense and remote accessibility.
Why Performance Riders Choose the A8 Road Bike Anti-Theft Alarm:
- Super Loud 115DB Electronic Siren: Stop thieves dead in their tracks. This a8 road bike anti-theft alarm delivers a piercing blast up to 115DB with three sound options (Siren, Bell, and Chirping) to instantly alert everyone nearby.
- Vibrant LED COB Rear Warning Light: Enhance your night visibility dramatically. The integrated red lamp features three versatile lighting modes—Constant, Slow Strobe, and Breathing Strobe—to keep you visible to motorists in low light.
- Dual Control Smart Interface: Experience total convenience. Operate the device seamlessly via the included wireless remote control or use the physical button switch directly on the chassis.
- Rugged Weatherproof Construction: Built for continuous outdoor abuse. Protected by an IP65 waterproof rating, the reinforced plastic shell withstands heavy rain and muddy trails flawlessly.
Technical Specifications:
- Product Classification: A8 Road Bike Anti-Theft Alarm Lock & Tail Light Combo
- Body Construction Material: Heavy-Duty Reinforced Plastic
- Electronic Siren Output: Adjustable Up to 115DB Blast
- Available Sound Profiles: 3 Options (Siren / Bell / Chirping)
- Lighting Source Type: High-Brightness LED COB Red Light
- Light Output Configurations: 3 Modes (Constant / Slow Strobe / Breathing Strobe)
- Core Functionalities: Rear Visual Warning, Electric Bell, Burglary Alarm, Remote Call
- Weatherproofing Protection Grade: IP65 Certified (Do NOT submerge in water)
- Lamp Battery Hardware: Rechargeable 700mAH Li-polymer Battery
- Charging Specification: ~2-3 Hours to Full Charge via Max 5V 2A Input
- Device Run Time: Approximately 20–40 Hours (Subject to active mode usage)
- Controller Battery Profile: 12V/27A Battery (Included, Replaceable, Non-Rechargeable)
Product Performance & Engineering Attributes:
| Security Feature | Specifications & Details |
|---|---|
| Siren Volume Profile | Up to 115DB High-Pitch Electronic Alert |
| Illumination Tech | LED COB Intense Red Warning Light |
| Battery Configuration | 700mAH Li-polymer Rechargeable Core |
| Operation Modes | Wireless Remote Controller & Button Switch Control |
Package Includes:
- 1 × A8 Road Bike Anti-Theft Alarm Lock Lamp
- 1 × Wireless Remote Controller (12V/27A Battery Included)
- 1 × Universal Mounting Bracket & Hardware Set
- 1 × Premium USB Charging Cable
Frequently Asked Questions (FAQ):
How loud is the siren on the a8 road bike anti-theft alarm lock?
The electronic alarm system produces a powerful audio blast up to 115DB. This volume level is loud enough to disorient a thief instantly and draw the attention of bystanders, providing excellent anti-burglary security.
Is this a8 road bike anti-theft alarm lock completely waterproof?
The device features an IP65 ingress protection certification, meaning it is tightly sealed against dust, mud, and heavy rainwater. However, it is not designed to be submerged under water.
How long does the tail light battery last on a single charge?
The integrated 700mAH lithium-polymer battery delivers an active run time between 20 to 40 hours, depending on your chosen lighting and sound modes. Recharging to full capacity takes only 2 to 3 hours.


Secure your bike today with the advanced A8 Road Bike Alarm Lock. Don’t wait until it’s too late—order now from Cycleaddons.com and ride with confidence, knowing your bike is protected by the best.




















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