One of the biggest challenges of cycle-commuting is making your presence felt above the din of traffic The Air Zound bike horn emits a 120 decibel blast that will let even the most inattentive driver know you're out there The horn is handlebar mounted, and the air reservoir is attached to your water bottle cage Easy recharging using either a bike pump or compressor Each refill lasts for approximately fifty blasts

• AIR ZOUND3 FEATURES:
• The world's loudest bike horn
• Super Loud 115 db
• No batteries or cartridges required
• Volume control switch
• Refills with any bike pump