Vehicle (1; 201) comprising (a) a self-supporting body, i.e. a body with a supporting frame or another supporting structure (2; 202), with a vehicle longitudinal axis extending in the direction of travel; (b) a first (5; 205) and a second wheel axle (6; 206), at least one of the wheel axles (5; 205) having two wheels; (c) a steering unit (9; 209) rotatable about a steering axis (8; 208) for steering the vehicle (1; 201), which is connected to the first wheel axis (5; 205), the steering axis (8; 208) being inclined in one plane perpendicular to the first wheel axis (5; 205) by a pitch angle with respect to the vertical axis, which angle is not equal to zero and less than 90 °; wherein (d) the steering axis (8; 208) is directed above the first wheel axis (5; 205) in the plane perpendicular to the first wheel axis (5; 205) in a direction remote from the vehicle (1; 201); wherein (e) the supporting structure (2; 202) is rotatably connected to the steering unit (9; 209) about the steering axis (8; 208), wherein (f) the supporting structure (2; 202) and the steering unit (9; 209) are designed in such a way that a driver supported by the supporting structure (2; 202) can exert a torque on the steering unit (9; 209); and wherein (g) the first wheel axle (5; 205) is the front wheel axle (5; 205) and has two wheels; characterised by (h) a bearing for the rotatable mounting of the steering unit (9; 209) with a pitch axis extending parallel to the front wheel axis (5; 205), so that the steering axis (8; 208) and the vertical axis lying in the plane perpendicular to the front wheel axis (5; 205) form the pitch angle, (i) electronic and / or mechanical and / or hydraulic means for the dynamic adjustment of the pitch angle while driving. (a) a self-supporting body, i.e. a body with a supporting frame or another supporting structure (2; 202), with a vehicle longitudinal axis extending in the direction of travel; (b) a first (5; 205) and a second wheel axle (6; 206), at least one of the wheel axles (5; 205) having two wheels; (c) a steering unit (9; 209) rotatable about a steering axis (8; 208) for steering the vehicle (1; 201), which is connected to the first wheel axis (5; 205), the steering axis (8; 208) being inclined in one plane perpendicular to the first wheel axis (5; 205) by a pitch angle with respect to the vertical axis, which angle is not equal to zero and less than 90 °; wherein (d) the steering axis (8; 208) is directed above the first wheel axis (5; 205) in the plane perpendicular to the first wheel axis (5; 205) in a direction remote from the vehicle (1; 201); wherein (e) the supporting structure (2; 202) is rotatably connected to the steering unit (9; 209) about the steering axis (8; 208), wherein (f) the supporting structure (2; 202) and the steering unit (9; 209) are designed in such a way that a driver supported by the supporting structure (2; 202) can exert a torque on the steering unit (9; 209); and wherein (g) the first wheel axle (5; 205) is the front wheel axle (5; 205) and has two wheels; characterised by (h) a bearing for the rotatable mounting of the steering unit (9; 209) with a pitch axis extending parallel to the front wheel axis (5; 205), so that the steering axis (8; 208) and the vertical axis lying in the plane perpendicular to the front wheel axis (5; 205) form the pitch angle, (i) electronic and / or mechanical and / or hydraulic means for the dynamic adjustment of the pitch angle while driving.