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
133 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

According to ROSPA, 57% of cycle accidents occur because the "driver failed to look properly". The dB140 is the loudest bicycle 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 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.

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 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.

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

Db140 SIZE: 45mm(L) x 25mm(W) x 30mm(H), 12g .

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.

Find out more

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dB140 with Garmin Style Mount

4.8
Rated 4.8 out of 5 stars
Based on 133 reviews
Total 5 star reviews: 110 Total 4 star reviews: 18 Total 3 star reviews: 4 Total 2 star reviews: 1 Total 1 star reviews: 0
96%would recommend this product
133 reviews
  • KH
    Kevan H.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    13 minutes ago
    dB140 review

    Really pleased with dB140, loud sound, does what it sys on the tin, recommended

  • MF
    Mohd F. A. R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Useful Tool

    I don’t have to use it often, only when it matters. Alerts other road users really well. Would buy again.

  • AS
    Arthur S.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Great horn to ward off dogs and catch people's attention

    I like to use this to give dogs paws (pause!) and also to let walkers know I'm coming up behind them on the bike path. But you need to hold the button down for a few seconds because only a short tap sounds like a bird call!

  • DT
    David T.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Awesome!

    Bought grandkids an electric scooter and was not pleased with the bell it came with. Seen your ads on YOUTUBE an ordered the horn. It is awesome, very loud!!