Bike Horn 4.0

  • Sale
  • $19.00
  • Regular price $48.00

🎁 Winter Clearance Sale Happening Now! ❄️
🎁 50% OFF STOREWIDE till sold out! (No discount code required!)
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🎁 Get EXTRA 20% OFF For Orders Over $60 with "EXTRA20" Discount Code!



You deserve road-respect and to express your frustration properly.

Aren’t non-responsive bells for cars and people annoying? It makes you late + stressed at work!

Imagine if you could have the simple control of a car/motorbike horn on your bike...

If only there was a way to honk at inconsiderate drivers who bully-and-run in rush hours!

×8 higher in males, 75% bicyclist deaths occur in Urban areas, with 'dangers accountable to no-bell' (NHTSA, 2017).

The unique car-power Bike Horn 4.0 is not only the loudest bicycle horn, but is your safest riding bet! It packs 125 dB CarWindow-penetrating of familiar horn-sound to people in the car and jaywalkers!

MinimalX Horn rings 3x louder & generates actual road-car honk sound!

Is shouting really an option for you, riding in an Urban city? That's just useless + icky!

Try something classier for a change! This electric Bike Horn 4.0 is proven to work in all-weather commutes from Midtown Manhattan to Downtown Brooklyn.

Make your rides fun with 3 different sound options!


Raining? No problem! We’ve made this weather-resistant for you!

Taking feedback from cyclists for our previous Bicycle HORN, we decided to work hard at incorporating the perfect design, with a new minimalist style, and reduce the weight by more than half while maintaining the LOUD car-horn sound!

The new Bike Horn 4.0 is not only loud, but its lightweight high-impact engineering thermoABS polycarbonate will never compromise on your efficiency and the 280 mAh battery will keep you charged for the road!

You can rely on its improvement to get you in time through all the rush hours.

It hangs downward, so the small 49mm x 66mm size leaves plenty of empty space on your handle-bar!

It's not a bell; it's you on the road through rushing and honking cars.

Keep your minimalist style, no more stress at work, commute easier, reach on time and fresh, and honk those jay-walkers and car-bullies away!

Sound like a car. Ride safe.

Order yours now to get 50% OFF during this Winter Clearance Sale! (Offer valid until the item is sold out!)


✔️Proven to Alert Cars and Jaywalkers

✔️The Only Proper Electric Car-HORN

✔️Dynamic Actual HORN Sound (125 dB)

✔️Premium ThermoABS Polycarbonate

✔️Lithium Battery: 1 Charge = 6 Months, Honking >20 Times/Day

✔️Lithium Ion Charging Capacity: 300+ Times (Total of 150 years)

✔️USB ("Android") Rechargeable

✔️IP65 Weatherproof Material

✔️Light Weight (40g), Small (49mm x 66mm)

✔️Easiest Installation: Universal Strap (22 - 31.8mm Handlebar)


Due to high demand, please allow 2-4 weeks for all US and International orders.


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Customer Reviews

Based on 13 reviews

When I honked the Bike Horn 4.0 an MTA bus driver stopped immediately and let me pass safely. This is the best gearI have bought for my bicycle.

People driving aren't going to hear a bell, but when they hear a horn they stop and wait for you to get clear.


One time a cab driver merged over into my lane, ignoring me. When I hit the horn button he immediately merged back.
I couldn't believe how loud it is, it is amazing you can get that kind of volume out of this small package!
I like the this horn so much that I have it on my Xtracycle and also on my Bike Friday Tikit.


First of all, why aren't enough people not talking about the quality of Bicycle Horn?

It is way more than just a unique and only horn that brings car tech to bikes! The quality is made for fancyy people!

So I pull this thing out of the box, plug in my phone charger USB and while I'm waiting, decide to press the button and see what happOMG THIS THING IS LOUD! :)

It is STILL enough to get the "situationally unaware" to pay attention when coming up from behind, but gotta give it about 2 presses till they move over.

Better than trying to wheeze out "on your left!" after cranking my arse up yet another hill and still having no one pay attention and stop from spanning across both lanes of the trail.

Highly recommended to fellow cyclist!


I love the horn. My finger hovers over the button instinctively when I see obstructions ahead. It has made me much more confident biking in traffic, I feel I suddenly have the power to make drivers truly aware of me. It really seems like a natural thing, something that all bikes ought to have.


Tl:dr: Great solid horn to have for your bicycle!

This horn is simple to operate and mount, and like other reviewers have said, it is loud. I was initially worried about blasting my own ears given the 125 db claim, but it does the job of alerting drivers without hurting your hearing. I am skeptical of the decibel rating, and I intend to test that claim with my sound level meter.

It beautifully does the job I bought it for, namely to produce an audible alert that is known to drivers as a motorbike horn and can be heard by drivers inside motor vehicles in the midst of traffic.

This horn is after all rather inexpensive, and the abs-pc also makes it really lightweight. The mount is an easy and secure strap-on and is easy to take it with you if you want.

I mounted mine upside down since I already have a lot of gear on my handlebars, and my thinking was that an upside-down mount may protect this horn somewhat from damage in the event of a bicycle crash.