A two-wheel tandem vehicle configured to be ridden without a handlebar and propelled by a rider with poles pushing against the ground comprising: two structural members, a forward structural member and a rearward structural member; the forward structural member supported by a rotatably mounted front wheel, the forward structural member pivotally connected to the rearward structural member supported by a rotatably mounted rear wheel, the front wheel pivoting about a substantially vertical steering axis, the rear wheel aligned with and following the front wheel, the steering axis and a point of contact with the ground of the rear wheel defining a plane; a saddle mounted to the rearward structural member in a fixed position and aligned in the plane; footholds mounted to said forward structural member disposed on each side of said front wheel and positioned on said forward structural member to support weight of the rider's feet and legs forward of said steering axis, whereby the placement of the footholds and the weight which they support form a moment capable of generating a torque about the steering axis and the centre of mass of that weight is located forward of the steering axis; and characterized in that the vehicle comprises at least one accessory contact means mounted on at least one of said forward structural member and said rearward structural member, wherein the at least one accessory contact means is configured to counter lateral force by engagement with the rider's lower body configured to form a rigid connection with the vehicle; whereby the at least one accessory contact means can laterally stabilize the mass of a rider on the saddle and the footholds; wherein the vehicle is configured to be ridden by the rider without using handlebars; wherein the vehicle can comprise at least one hand-held pole configured to contact the ground; and wherein the vehicle is configured to be propelled by the rider with the at least one hand-held pole. two structural members, a forward structural member and a rearward structural member; the forward structural member supported by a rotatably mounted front wheel, the forward structural member pivotally connected to the rearward structural member supported by a rotatably mounted rear wheel, the front wheel pivoting about a substantially vertical steering axis, the rear wheel aligned with and following the front wheel, the steering axis and a point of contact with the ground of the rear wheel defining a plane; a saddle mounted to the rearward structural member in a fixed position and aligned in the plane; footholds mounted to said forward structural member disposed on each side of said front wheel and positioned on said forward structural member to support weight of the rider's feet and legs forward of said steering axis, whereby the placement of the footholds and the weight which they support form a moment capable of generating a torque about the steering axis and the centre of mass of that weight is located forward of the steering axis; and characterized in that the vehicle comprises at least one accessory contact means mounted on at least one of said forward structural member and said rearward structural member, wherein the at least one accessory contact means is configured to counter lateral force by engagement with the rider's lower body configured to form a rigid connection with the vehicle; whereby the at least one accessory contact means can laterally stabilize the mass of a rider on the saddle and the footholds; wherein the vehicle is configured to be ridden by the rider without using handlebars; wherein the vehicle can comprise at least one hand-held pole configured to contact the ground; and