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ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm
ROCKBROS 115dB Bike Alarm is a waterproof, vibration-sensing security device with remote control and 262ft range. Priced at $38.99, it's ideal for deterring bike or motorcycle theft in urban areas.
$38.99
● 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 alarm with volume control
- 3-level vibration sensitivity adjustment
- Wireless remote up to 262ft range
- IPX5 waterproof for all-weather use
- Type-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 to install and use with remote
- +Weatherproof for reliable outdoor use
- +Fast-charging Type-C port
- +Helps locate bike in parking areas
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Cons
- −No GPS tracking capability
- −Alarm may trigger on heavy vibrations
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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 compact, weather-resistant anti-theft device designed to protect bicycles and motorcycles from tampering and theft. With a powerful 115-decibel siren, it uses a sensitive vibration motion sensor to detect unauthorized movement and trigger a loud alarm. Priced at $38.99 and sold by Yiwu Rock Sports Goods, this alarm is built for riders seeking reliable, easy-to-install security for daily commutes or long-term parking.
Key features
- Loud 115dB Alarm — Deters thieves with a high-decibel siren adjustable to user preference.
- Vibration & Motion Sensor — Features 3 sensitivity levels to customize response to movement.
- Wireless Remote Control — Offers arming, disarming, panic, and bell functions up to 262 feet away.
- IPX5 Waterproof Rating — Resists rain and moisture for all-weather reliability.
- Type-C Rechargeable — 400mAh lithium battery charges fully in 2 hours for extended use.
- Compact Design — Measures 4x5x3cm, enabling discreet mounting on frames or handlebars.
- Vehicle Search Function — Remote beep feature helps locate your bike in crowded lots.
Who is ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm for?
This alarm suits urban cyclists, e-bike owners, and motorcyclists who park in high-risk areas. It’s ideal for commuters, students, and delivery riders needing a portable, low-maintenance theft deterrent. The simple setup makes it accessible for all skill levels.
How does ROCKBROS 115dB Bike Alarm Vibration Motion Sensor Waterproof Motorcycle Alarm compare?
Compared to basic cable locks or non-audible trackers, this alarm adds active deterrence with its loud siren and motion detection. It outperforms many budget alarms with its IPX5 rating, Type-C charging, and remote range. While not a GPS tracker, it offers immediate, audible response where electronic monitoring falls short.
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Best use cases
- →Securing bikes on city streets
- →Protecting motorcycles in parking lots
- →Deterring theft during daytime errands
- →Use in rainy or damp conditions
- →Commuter bike anti-theft solution
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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 an affordable, reliable theft deterrent for urban riding. Suitable for all skill levels, it’s ideal for cyclists without smart locks or GPS trackers. Consider pairing with a physical lock for maximum security. Alternatives include motion-sensing lights or GPS bike trackers, but this alarm offers immediate audible defense at a lower cost.
How it compares: Compared to basic bike locks or silent GPS trackers, this alarm adds active deterrence with loud sound and motion sensing. It beats many budget alarms with waterproofing, remote range, and fast-charging Type-C.
Are There Active Yiwu Rock Sports Goods Coupons for This Product?
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Frequently Asked Questions
What is the decibel level of the ROCKBROS bike alarm?
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The alarm reaches up to 115dB, a volume loud enough to deter thieves and attract attention in public areas. The sound level is adjustable to suit different environments and user preferences.
Does the bike alarm work in the rain?
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Yes, it has an IPX5 waterproof rating, meaning it can withstand water jets from any direction. This makes it suitable for use in rain or humid conditions without damage.
How long does the battery last on a single charge?
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The 400mAh lithium battery provides extended standby time. While exact duration varies, it typically lasts several weeks under normal use and charges fully in about 2 hours via Type-C.
Is the remote control effective through walls or obstacles?
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Yes, the wireless remote has a range of up to 262 feet and can operate through walls and common obstacles, allowing reliable arming and disarming from a distance.
Can I adjust the alarm's sensitivity to movement?
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Yes, the alarm offers 3 levels of vibration sensitivity. You can set it to low, medium, or high depending on your environment to avoid false alarms from wind or passing traffic.
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 $38.99 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*2
Last updated May 14, 2026