More info at


  1. phil doughan @zymaze

    The bike horn (noise maker removed) had the right threading on the end to screw into the soft plastic hole and be flush with the inside of the PVC. It sits in front of the tiny mono speaker.

  1. Loading...
  2. Nikaya Bonifacio @NikayaBonifacio

    Cool because the horn doesn't need a power source; it acts as a megaphone.

  3. Justice McNeal @RapSody

    It looks cool

  4. Wendy Johnson @wlj1968

    fun grate gift idea

  5. 俞鹏飞 @taylorpefill

    does it work?

Use @ to mention someone

Bike Horn iPhone Speaker

Fancy 5,352
Jump to top