Abstract: A leaning vehicle has a frame; a shock tower pivotally connected to the frame; front left and right ground engaging members; front left and right suspension assemblies; portions of the front left suspension assembly, the front left ground engaging member and other components of the vehicle suspended by the front left suspension assembly have a first unsprung mass; portions of the front right suspension assembly, the front right ground engaging member and other components of the vehicle suspended by the front right suspension assembly have a second unsprung mass; a moment of inertia of the shock tower being at least twenty-five percent of a combined moment of inertia of the first and second unsprung masses; a steering assembly; a rear suspension assembly; at least one rear ground engaging; and a motor.

Abstract: A snowmobile ski includes a bridge adapted to connect to a ski leg of a snowmobile, a ski body having an inner lateral edge, an outer lateral edge, a top surface adapted to be connected the bridge, and a bottom surface adapted for moving over snow, a keel running lengthwise along the bottom surface of the ski body in such a manner that a centerline of the keel is offset from a centerline of the bridge in a direction toward the outer lateral edge of the ski body, and a runner connected to the keel.