Originally Posted by
jawnn
So the question is "is this horn legal for a bicycle?"
Check your state bicycling laws.
Here in New York State,
vehicle and traffic law section 1236(b) requires that
No person shall operate a bicycle unless it is equipped with a
bell or other device capable of giving a signal audible for a distance
of at least one hundred feet, except that a bicycle shall not be
equipped with nor shall any person use upon a bicycle any siren or
whistle.
Granted, this is honored mainly in the breach.