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
111 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.

4.8
Rated 4.8 out of 5 stars
Based on 111 reviews
Total 5 star reviews: 95 Total 4 star reviews: 13 Total 3 star reviews: 2 Total 2 star reviews: 1 Total 1 star reviews: 0
97%would recommend this product
111 reviews
  • RO
    Rose O.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    12 seconds ago
    Hornit 140 dB horn

    Mounting onto my Dyson bike was super easy with the different mounts in the kit.

    Get the attention of pedestrians with their headphones, very pleased with my purchase.

  • DG
    Derek G.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    I forgot !

    I forgot just how loud a new Hornit would be . To explain I thought that my old one was getting low on decibels so I changed the batteries only to find no difference so I looked into the electronic electric bike horn only to find they were less in sound so decided to purchase a new dB140 and to find an excellent early warning sound 10 out of ten worth the cost

  • KF
    keith F.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Satisfied customer

    My replacement this year after four years of wonderful service of the original which only expired due to a crash impact - pot hole!! Survived much wet weather outside when travelling to railway stations where there is no (FREE) covered provision for cyclists who dont want to pay council's who fail anyway to spend money taken in fines on potholes.

  • N
    Nath
    Verified Reviewer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Brilliant!

    Very loud. I use one of the horns while on the road and cars actually hear it as they do move over, and the second horn for pedestrians while cutting through an alley way it makes them jump but they also move. Only thing I would change is to make the button glow in the dark or so it can be seen somehow at night.

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