A tricycle includes a windshield and a second attaching device. The windshield has a shell part, a first attaching device at the lower part of the shell part, and the shell part includes a front portion and a rear portion, and the rear portion of the shell part is open. The second attaching device has one or more support beams extended outward from the outer rim substantially on the same plane of the attaching device. The shell part of the windshield is of a streamline shape. The support beams are fixed to the shell part. The windshield further includes a visor part, and the visor part is disposed at the top part of the windshield. The visor part of the windshield is made of plastic and transparent. The tricycle further includes a frame having a triangular truss, a frontal member, a rear wheel support bar, and a handle holder.
