This is what I have on my mountain bike and I am thinking about putting it on my road bike for my commute on the local MUP. After I put the horn on, I will use on everybody that I pass on the path. Everybody. Hard core roadies, Freds, wanna-be-Lances, wanna-be-Cavendishes, etc.
BTW, my road bike is not a Royce Union, Huffy, Varsity or a gas pipe frame.
http://www.virtualvillage.com/chrome...Bicycle%20Horn
Ha... ha... ha... I don't mind gaining an additional 20 - 35 seconds on my ride because of wind drag...