There are loud bike horns and then there's the Hornit dB140. It’s billed by its makers as the world’s loudest and we aren’t going to argue with them. This battery-powered device emits a piercing 140-decibel noise that's loud enough to alert all other road users to your presence. Apparently, Mayor of London and cycling fanatic Boris Johnson owns one.
It attaches to the handlebar via an integrated mount and has a wired remote button that's designed to be fitted next to one of your brake levers. There are two settings; the loudest 140dB honk and a slightly lower 130dB frequency for park riding. Both settings are deafening in a quiet indoor environment but we're in no doubt of the Hornit's effectiveness on traffic-packed roads.
The unit runs off two AAA batteries, which Hornit reckon will last between six and 12 months. These are included in the pack, along with an Allen key for fitting. The dB140 is available directly from Hornit’s website for £34.99 inc p&p. Check out the video below of the the horn in action.
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