Part Description Quantity Price 518005  electric bicycle horn - 4 modes: loud speaker, ambulence, fire engine, police. Its pretty loud, let them know your coming! Uses 9-volt battery (not included)  1 2 3 4 5 6 7 8 9 10 Out Of Stock Check mark below indicates compatibility of this part with FRAME size Custom 16" 20" 24" 26" Trike Chopper Packed √  √  √  √  √  √  √  ea