The invention provides a vehicle which can steel two front wheels and turn well by inward inclination of a vehicle body and well shfot the helm according to operation. A front frame (15) extends forward from the head pipe (14), and a bush (36) with an inner tube (37) and an outer tube (38) is supported on the front frame (15). Left and right steering arms are secured to the outer tube (38), and at their outer portions support left and right knuckles which support the front wheels. A first lever (56) is connected to a second lever (58) mounted to an upper end portion of a sub-steering shaft (57) passing through the inner tube (37). The first lever (56) is turned together with the steering shaft (13). A third lever (62) installed at a lower end portion of the sub-steering shaft (57) is connected to the knuckles via corresponding individual tie rods, and a rod (67) has one end connected to the fourth lever (66) secured to a rear portion of the outer tube (38) and its other end connected to the body frame FA.