Just lift up the bike and place both seat stay and chain stay on the hooks then the bike stands alone stableythe rear wheel is lifted up from the ground so good for light maintenance like cleaning chain or adjusting derailleurthe hook has been modified to be more gentle to the bike and easy to usethere are two hook installation points on the pillar depends on the bike size you can choose the best height by replacing the hook position the height difference is 100mmthe pillar is foldable f