The 1-footer X up trick is a BMX trick combination that involves crossing the arms and releasing one foot from the bike pegs, while in midair. Learn more about the 1-footer X up BMX trick from a professional BMX rider in this free biking video.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/18727_thumb.jpg" alt="BMX Tricks: 1-Footer X Up" title="BMX Tricks: 1-Footer X Up" width="150" height="90" alt="BMX Tricks: 1-Footer X Up"/>