2 PCS OF 2X10 LUMBER 3' LONG GLUED AND SCREWED TOGETHER. ADD A 4'' WIDE PIECE ON ONE END. DRILL A 15/16'' HOLE THROUGH THE CENTER OF THE 4'' PIECE AND THE 2X10s. INSERT A PIECE OF 1'' STEEL PIPE 4 FEET LONG, THREADED ON THIS END, THROUGH THE HOLE AND SCREW A PIPE FLANGE TO THE END, THEN SCREW IT TO THE 2X10. YOU CAN USE A PIECE OF CARPET SCRAP OR RUBBER TO PAD THE EDGE THAT CONTACTS THE BIKE FRAME. I USE THIS SETUP FOR MY 03 SOFTAIL, WORKS LIKE A CHAMP!!!!!!!!!!!!!!!!!!!!!!