1. Loading...

Search store availability

World's loudest bicycle horn

This revolutionary bike air horn requires no batteries or cartridges and refills with any bike pump. The volume control switch makes it easy to adjust this bike horn to your surroundings.

Product details

  1. Clamps onto any 22/26 mm handlebar
  2. Requires no batteries. Refills with any bike pump
  3. Volume control switch makes it easy to adjust the horn to your surroundings

More options

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Weights are based off Trek pre-production products at time of publication. Weights may vary in final production.

Product Compare Rack

Start comparison