A shear spring comprising a base and a V-shaped surface opposite the base adapted to mate with a corresponding V-shaped surface positioned on a side wall of a spring mount, and an elastomeric material positioned between the base and the V-shaped surface, wherein the base includes a first flange extending away from the V-shaped surface and adapted to be positioned outwardly from a first edge of a side wall of a spring module, and wherein the base includes a second flange extending away from the V-shaped surface and adapted to be positioned outwardly from a second edge of the side wall of the spring module, where the first flange and the second flange are positioned in parallel planes.