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The World's Loudest Bicycle Horn

This is the loudest bicycle horn in the world that sounds a piercing tone as loud as a jet engine. The patented horn helps keep cyclists safe even when they cannot be seen with an emphatic 140-decibel warning that penetrates a vehicle’s windows and stops self-absorbed pedestrians in their tracks. The horn operates easily via a remote trigger so there's no need to lift your hand from the handlebar to give distracted drivers or headphone-wearing smartphone users a humongous heads-up. The horn can be switched from a lower-frequency tone that sounds like a car horn for street riding to an oscillating high-pitched chirp recommended for trail riding. Its IP44 splash resistance assures reliable use in rainy conditions. Two included AAA batteries power the horn for 6-12 months and the included mounting bracket fits most bicycle handlebars. 4" L x 2" W x 2 3/4" H. (5 oz.)




Lifetime Guarantee

The World's Loudest Bicycle Horn comes with The Hammacher Schlemmer Lifetime Guarantee. Items that we sell are guaranteed for their normal life under standard non-commercial use.

Should any product fail to meet your expectations, we will replace it or refund the cost of the item less shipping and service fees. Returns older than one year will be credited in form of a gift certificate.

Should you have any questions, we are available seven days a week (Monday - Friday 7:30 AM - 9 PM EST and Saturday - Sunday 7:30 AM - 8 PM EST) Please call 1-800-321-1484 to speak with a specialist or email us at to receive a response within 24 hours or less.

Item 90721
Price $39.95
Available for Immediate Shipment.

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The World's Loudest Bicycle Horn.
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