(637+ Reviews)

Velohorn X5 Electric Bike-Horn

Velohorn X5 Electric Bike-Horn

 The Velohorn X5 is a bike alarm and horn in one. Arm it with the remote before you walk away, and its vibration sensor sounds a loud siren the moment someone lifts, cuts or tampers with your bike. Out on the road, five sound modes turn it into a powerful horn. It recharges over USB-C, straps on without tools and shrugs off light rain. 

check_circle  Loud Siren Alarm 

check_circle  Vibration Sensor with Adjustable Sensitivity 

check_circle  Remote Arm & Disarm 

check_circle  USB-C Rechargeable 

$59.00
$59.00 $90.00
SAVE 34% Sold out
Velohorn X5 Electric Bike-Horn

Velohorn X5 Electric Bike-Horn

$59.00
$59.00 $90.00
SAVE 34% Sold out

  • I often leave my bike outside shops while running quick errands, and I wanted an extra layer of security beyond the lock. This alarm is easy to attach and simple to operate once you get familiar with the modes. I like that it's rechargeable, so there's no need to keep spare batteries around.

    Elvin James

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       Loud Enough to Make Thieves Think Twice 

      A lock slows a thief down, but it can’t make noise. The Velohorn X5 adds a loud siren that turns heads on the street and draws attention to your bike the moment someone tampers with it, giving you time to get back fast.

       Smart Sensitivity Real Threats Only 

      The built-in vibration sensor reacts to lifts, cuts and tampering. Adjust its sensitivity to suit where you park, so it guards your bike without going off at every passing truck or gust of wind.

       Arm It and Walk Away 

      Power it on with one touch, arm it with the remote as you leave, and disarm it when you’re back. When it needs a charge, plug in the USB-C cable. No batteries to swap.

      What Our Customers Say

      Excellent 4.8 / 5

      • Easy to Fit on My E-Bike

        I didn't want to drill holes or make permanent changes to my handlebars, so the silicone strap was a big plus. It took only a short time to fit, and the unit sits neatly in place. Having both riding alerts and a parking alarm makes it a practical little accessory.

        Sarah M.

      • Loud Enough to Get Attention

        I wanted something more noticeable than a regular bike bell, particularly when parking in busy public areas. The alarm is certainly loud, and the different modes are useful for choosing between a quick alert and a continuous sound. Charging through USB-C is convenient, too.

        James T.

      • A Useful Addition to My Lock

        I already use a sturdy bike lock, but I like having another deterrent when I leave my bicycle unattended. Setting the alarm before walking away is straightforward, and the compact design doesn't make the handlebars feel overcrowded. It's a sensible extra precaution for everyday city riding.

        Emily W.

        Why Settle for Less

        A lock alone can’t call for attention. Here’s what the Velohorn X5 adds.

          Lock Only
         Loud Siren Alarm 
         Vibration Detection 
         Adjustable Sensitivity 
         Remote Arm & Disarm 
         Alerts People Nearby 
         Doubles as a Riding Horn 

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        Tough, Compact Build

        Wear- and scratch-resistant ABS shell, IP4 splash-resistant, and small enough to carry.

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        Loud Siren Deterrent

        A powerful siren that draws attention the moment it’s triggered.

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        Vibration Sensor

        Detects lifts, cuts and tampering while your bike is parked.

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        Adjustable Sensitivity

        Fine-tune detection to your surroundings for fewer false alarms.

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        Remote Arm & Disarm

        Set it as you walk away and switch it off when you’re back.

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        5 Sound Modes

        Works as a powerful horn on the road, from a quick warning beep to a full alarm.

         Why Choose the Velohorn X5? 

        The second layer of protection your lock is missing

        Frequently Asked Questions

        Arm it with the remote before you leave your bike. If the vibration sensor detects lifting, cutting or tampering, the siren sounds. Disarm it with the remote when you return.

        You can adjust the sensor’s sensitivity to suit where you park, which helps cut down false alarms from passing traffic or wind

        Yes. Press the top button to sound it while riding, and switch between five sound modes to suit the situation.

        Plug the included USB-C cable into any USB port, wall adapter or power bank. There are no batteries to replace.

        Yes. The IP4-rated housing handles light rain and road splashes. It isn’t made for submersion or heavy downpours, so wipe it dry after a wet ride.

        The silicone strap fits most bicycle and e-bike handlebars, including road, mountain and hybrid bikes. Installation takes seconds with no tools

        Press the top button to cycle through the five modes, from a quick warning beep for traffic and pedestrians to a continuous 120dB alarm. Pick the one that suits where you’re riding