dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
dB140 with Garmin Style Mount
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dB140 with Garmin Style Mount

4.8
Rated 4.8 out of 5 stars
125 Reviews

The upgraded dB140 is the loudest cycle horn on the market, putting you in control of your safety by letting people know you’re there. It’s small, sleek and enables you to alert distracted drivers and pedestrians to your presence. Featuring upgraded internal components and a brand-new Garmin style mount, your dB140 is better than ever: rock solid on the bars, easy to remove and interchangeable with other Garmin compatible devices.

Have a question? Look at our FAQ’s

THE WORLD'S LOUDEST CYCLE HORN

140 decibels is the equivalent sound of a jet engine and is 4 times louder than the nearest competitor. You can alert drivers of cars, buses, lorries & pedestrians to your presence. It has two sounds - a piercing 'road' mode (140dB) and a lower pitched car horn sound (121dB) for cycle paths. The remote trigger means it is safe and easy to use when braking, while being easy to install and remove thanks to the Garmin style mount, the dB140 fits all bikes. Completely weatherproof (although not submersible), the dB140 is a potentially life-saving accessory when riding in towns and cities.

Two Garmin Style Mounts Included

To ensure a perfect fit with all handlebar sizes two mounts are included - one mount for bars with a diameter of 22-26mm with 4 differently sized spacers and a second dedicated for 31.8mm diameter bars (road bikes). You can use your spare mount on a different bike so you can easily swap the dB140 from one bike to another.

Impressive performance

Featuring two horn modes; 140dB and 121dB respectively, the dB140 requires uses 2 x AAA batteries which last for up to 12 months of normal use (6x 1 second blasts per day). The dB140 makes riding in town safer and less stressful: no need to shout, no need to swerve, no more emergency braking.

Find out more

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Further Information

SOUND 'PIERCING' MODE OUTPUT: 140db
‘HORN’ MODE OUTPUT: 121 db.
BATTERIES TYPE: 2 x AAA BATTERIES 24g
TOTAL WEIGHT HORN, TRIGGER, LARGER GARMIN MOUNT AND BATTERIES = 102g
HORN, TRIGGER, SMALLER GARMIN MOUNT (INCLUDING ONE SPACER) AND BATTERIES = 100g.
INGRESS PROTECTION RATING IP44. PROTECTION FROM SPLASHED WATER AND SOLID OBJECTS GREATER THAN 1mm IN DIAMETER.
DIMENSIONS AND WEIGHT
HORN 98mm(L) x 48mm(W) x 42mm(H), 48g
TRIGGER 355mm(L) x 20mm(W) x 9mm(H), 10g
MOUNT FIXING: 

MOUNT OPTION 1: 22-26mm GARMIN MOUNT (UNIVERSAL FITTING FOR VIRTUALLY ALL BIKES) 16g

MOUNT OPTION 2: 31.8mm/1.25” GARMIN MOUNT (MODERN STANDARD FOR DROP HANDLEBARS), 20g
 

Frequently Asked Questions

The Hornit dB140 is 140 decibels making it the world’s loudest horn.

We have upgraded the electronics and some of the components from the old version as well as completely changing the mount system to a Garmin style mount. The internal upgrades are designed to improve performance while the Garmin style mount makes the dB140 rock solid on the bars, easy to remove and interchangeable with other Garmin compatible devices.

Our dB140 is not waterproof, however it is weather resistant and is tested to work even in torrential rain . The IP rating is IP44 meaning that it is counted as splash proof.

The Garmin style mounts are compatible with virtually every diameter of round bar (22-26mm) and 31.8mm road bike handlebars with our 2 included brackets. Unfortunately, if you have flat aero bars then the mounts will not work. They must be round.

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Regular price
$59.95
$29.95
4.8
Rated 4.8 out of 5 stars
Based on 125 reviews
Total 5 star reviews: 104 Total 4 star reviews: 16 Total 3 star reviews: 4 Total 2 star reviews: 1 Total 1 star reviews: 0
96%would recommend this product
125 reviews
  • MB
    Miguel Belmonte A Time S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Good impression

    It's what I expected from a good horn for my bike.

  • LW
    Logan W.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 weeks ago
    Love it!

    I definitely recommend this product! It is amazing! Very loud and people hear it! I use it all the time and people still get surprised!

  • WS
    William S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    dB140

    Easy to install, the trigger button mounts conveniently by the shifter triggers, easily removable when I need to lock up and go inside a store, and, of course, it’s loud. EXTREMELY LOUD!!! I’m very satisfied with the purchase and would heartily recommend it to anyone who rides a commuter. Bravo!

  • AF
    Andrew F.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    Hornet bicycle horn

    Love this product, this is my second one following the theft of my first one. It’s really compact and now it’s got the Garmin mount as well I just it’s so easy to remove.

    I only realised this time round that it has two noise outputs, a high shrill and an old car horn, both very loud and set it to the car horn as the shrill was being mistaken for a bird 🤣

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