Yea, I'm here, couldn't resist... But yes, it has the 9/16 nut on the top witht he alan key in the middle.. Lossen the 9/16, tunr the alan till it has light reisitance, back off 1/8 turn, tightn the 9/16.. But like anything else, I heard a few horror stories of guys messin it up, blowin apart...