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ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm
ROCKBROS 115dB Bike Alarm is a compact, waterproof anti-theft device with motion sensing and remote control. Priced at $21.99, it's ideal for securing bicycles or motorcycles in urban areas and outdoor parking.
$21.99
● In stock
Buy at Yiwu Rock Sports Goods →Price and availability may change. Click to see current details on Yiwu Rock Sports Goods.
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Key features
- 115dB loud adjustable alarm with 5 ringtones
- 3-level vibration sensitivity sensor
- 262ft wireless remote control range
- IPX5 waterproof for all-weather use
- USB-C rechargeable, 400mAh battery
- Compact 4x5x3cm design for stealth install
- Remote vehicle search and panic function
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Pros
- +Loud alarm effectively deters theft
- +Easy setup with wireless remote
- +Charges quickly via USB-C
- +Weatherproof for outdoor use
- +Affordable at $21.99
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Cons
- −No GPS tracking capability
- −Remote range may vary in dense areas
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About ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm
What is ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm?
The ROCKBROS 115dB Bike Alarm is a high-decibel security device designed to protect bicycles and motorcycles from theft. Engineered with a sensitive vibration motion sensor, this compact alarm activates when unauthorized movement is detected. At $21.99, it offers an affordable, reliable upgrade to basic cable locks, especially for riders parking in high-risk or unattended areas. Its IPX5-rated waterproof housing ensures performance in rain or humidity, making it suitable for year-round outdoor use.
Key features
- Loud 115dB Alarm — Deters thieves with ear-piercing sound, adjustable volume, and five ringtone options.
- Vibration Motion Sensor — Features three sensitivity levels to reduce false alarms while detecting impacts or lifts.
- 262ft Remote Control — Includes wireless remote with arming, disarming, panic, and bell functions.
- IPX5 Waterproof — Resists water jets from any direction, safe for use in rain or wet conditions.
- Type-C Rechargeable — 400mAh lithium battery charges fully in 2 hours via USB-C.
- Compact Design — Measures just 4x5x3cm, easy to mount discreetly on frames or handlebars.
- Vehicle Locator — Remote search function helps locate your bike in crowded parking areas.
Who is ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm for?
This alarm suits urban commuters, e-bike owners, and motorcycle riders seeking affordable, easy-to-install theft protection. It’s ideal for those who park in public lots, garages, or streets where theft risk is high. DIY-savvy users will appreciate the simple mounting and customizable sensitivity settings.
How does ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm compare?
Compared to basic cable locks or non-audible trackers, this alarm provides immediate, audible deterrence. It outperforms older alarm models with its modern Type-C charging and remote range. While not a GPS tracker, it offers faster response than passive systems. It’s more compact and weather-resistant than many aftermarket motorcycle alarms, making it a strong value at $21.99.
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Best use cases
- →Securing bikes in city bike racks
- →Protecting motorcycles in parking lots
- →Deterring theft in apartment garages
- →Alarming e-bikes with high resale value
- →Adding security to outdoor storage
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Is ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm right for you?
Buy the ROCKBROS 115dB Bike Alarm if you need affordable, reliable theft deterrence for a bicycle or motorcycle. Ideal for urban riders with basic tech comfort. No installation expertise needed. Consider GPS trackers if you want remote location monitoring, but this alarm offers superior audible defense at a fraction of the cost.
How it compares: Outperforms standard non-audible locks with immediate sound response. More compact and modern than many motorcycle alarms. Lacks GPS but offers faster, louder deterrence than passive systems at a lower price point.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What is the alarm volume of the ROCKBROS bike alarm?
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The alarm reaches up to 115dB, which is loud enough to deter thieves and attract attention. Volume is adjustable, and the device offers five different ringtones for customization during non-armed states.
Does the bike alarm have a waterproof rating?
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Yes, it has an IPX5 waterproof rating, meaning it can withstand water jets from any direction. This makes it safe to use in rain or humid environments without damage to internal components.
How long does the battery last and how is it charged?
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The 400mAh lithium battery provides extended standby time and charges fully in about 2 hours using the included USB-C cable, ensuring minimal downtime and modern, convenient charging.
Is the remote control effective through walls or long distances?
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The remote works up to 262ft and can penetrate walls, allowing reliable arming and disarming indoors. Performance may vary in areas with high signal interference or dense obstacles.
Can I adjust the sensitivity of the vibration sensor?
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Yes, the alarm offers three levels of vibration sensitivity. You can set it low for stable environments or high for maximum responsiveness, helping reduce false alarms in busy areas.
How much does ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm cost?
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ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm is $21.99 at Yiwu Rock Sports Goods. Prices may change — click through to Yiwu Rock Sports Goods for the latest.
Is ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm in stock at Yiwu Rock Sports Goods?
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Yes, ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm is currently in stock at Yiwu Rock Sports Goods.
Are there coupon codes for Yiwu Rock Sports Goods?
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Yes — Love Those Deals currently tracks 2 active Yiwu Rock Sports Goods coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- SKU
- 34210004001
Last updated May 14, 2026