Delta Cycles Airzound Horn

Delta Cycles Airzound Horn. Let them know about it. The Airzound Horn by Delta Cycles is the world's loudest bicycle horn reigning in at an impressive 115 decibels. It easily clamps onto any 22 26mm handlebar, doesn't need batteries or cartridges, and refills with any bike pump. It includes an easy to adjust volume control to alert your surroundings of your presence.