Even better, you can demonstrate the effect pretty easily. Jog alongside a bike and let it go. If it's fast enough, it will stay upright. You can even try to ki

Even better, you can demonstrate the effect pretty easily. Jog alongside a bike and let it go. If it's fast enough, it will stay upright. You can even try to kick it over and the front wheel will turn towards the direction the bike is falling, "catching" the bike and converting the fall into a turn.