An adjustable molding system for a non-pneumatic wheel, the non-pneumatic wheel including a plurality of tension-transmitting web elements extending between a load support band and a hub, the non-pneumatic wheel defining axial, radial, and circumferential directions, the molding system comprising: an upper mold portion having a plurality of upper web forming elements spaced apart around the circumferential direction; a lower mold portion having a plurality of lower web forming elements spaced apart around the circumferential direction and configured to receive the upper web forming elements when the molding system is in a closed position to form the tension transmitting web elements during a molding process, wherein the upper mold portion and lower mold portion form an internal cavity when the molding system is in the closed position; a first configuration of removable mold elements for positioning within the internal cavity, the first configuration comprising a removable bushing positioned onto the lower mold portion; an upper mold bowl configured to form a surface of the wheel; a lower mold bowl supporting the upper mold bowl and configured to form a surface of the wheel, wherein the lower mold bowl is supported on the bushing when the first configuration is positioned within the internal cavity; a second configuration of removable mold elements for positioning within the internal cavity, the second configuration comprising a spacer ring; and a removable bushing positioned onto the lower mold portion and onto which the spacer ring is received when the second configuration is positioned within the internal cavity; wherein the first and second configurations (FC, SC) are interchangeable within the molding system. an upper mold portion having a plurality of upper web forming elements spaced apart around the circumferential direction; a lower mold portion having a plurality of lower web forming elements spaced apart around the circumferential direction and configured to receive the upper web forming elements when the molding system is in a closed position to form the tension transmitting web elements during a molding process, wherein the upper mold portion and lower mold portion form an internal cavity when the molding system is in the closed position; a first configuration of removable mold elements for positioning within the internal cavity, the first configuration comprising a removable bushing positioned onto the lower mold portion; an upper mold bowl configured to form a surface of the wheel; a lower mold bowl supporting the upper mold bowl and configured to form a surface of the wheel, wherein the lower mold bowl is supported on the bushing when the first configuration is positioned within the internal cavity; a removable bushing positioned onto the lower mold portion; an upper mold bowl configured to form a surface of the wheel; a lower mold bowl supporting the upper mold bowl and configured to form a surface of the wheel, wherein the lower mold bowl is supported on the bushing when the first configuration is positioned within the internal cavity; a second configuration of removable mold elements for positioning within the internal cavity, the second configuration comprising a spacer ring; and a removable bushing positioned onto the lower mold portion and onto which the spacer ring is received when the second configuration is positioned within the internal cavity; a spacer ring; and a removable bushing positioned onto the lower mold portion and onto which the spacer ring is received when the second configuration is positioned within the internal cavity; wherein the first and second configurations (FC, SC) are interchangeable within the molding system.