Check these out, not mine, but i bet they go cheap.
http://cgi.ebay.com/Rare-Industry-Nine-Dirt-Jump-BMX-Cruiser-Wheelset-/200581477597?pt=Cycling_Parts_Accessories&hash=item2eb39674dd
24" i9 cruisers wheels
http://cgi.ebay.com/Rare-Industry-Nine-Dirt-Jump-BMX-Cruiser-Wheelset-/200581477597?pt=Cycling_Parts_Accessories&hash=item2eb39674dd
24" i9 cruisers wheels