You have to launch your self from the pedals and start your rotation BEFORE your rear wheel leaves the ramp/dirt. Otherwise you end up pushing the frame and it ends up a half decade half tail whip to crash. Watch this guy close and see how he starts the decade a second before take off. [ame=http://www.youtube.com/watch?v=a5JYZN8ikZc]YouTube - Decade air-koziolek[/ame]