I know. I get emails from balsausa & they told me that. The wheels off a stroller are perfect. Light, rubber & plastic plus can be painted. Was talking to a fellow at the field & he sugested using a allum. tube for the dihedral brace instead of the 1/8 x 2 x 10 in. ones. Just drill holles in the center of the ribs. That will lighten it, also, to cut the landing wheel plates shorter.