Abstract: A suspension for a vehicle includes an apron having a seat fixed thereon, a steering handle supporting member pivotally affixed to opposite sides of a rear portion of apron, a left front frame member and a right front frame member, each the front frame member having a front wheel installed to a front end thereof. A left rear frame member and a right rear frame member each have a rear wheel installed to a rear end thereof. A guard support, a left front link and a right front link are provided. Each front link is connected between a substantially middle portion of the front frame member and a lower end of the handle supporting piece. A left rear link and a right rear link, each connected between a substantially middle portion of the rear frame member and the pivoting point of the steering handle supporting member.