Kuryakyn 1588 Tall Sissy Bar for Backrest Solid steel square tubing construction with a beautiful chrome finish Must be installed on Kuryakyn backrest mounts (sold separately) or other backrest mounts Sissy bars measure 8 3/4in. W (outside mounting dimensions) with 11/20in. square stock mounting and 1 1/4in. mounting hole spacing for 1/4in. -20 bolts Sold each Height: 20in.