Thunder Inverted Edition Trucks feature team edition geometry for quick turn response, developed for those looking for more grind clearance and smoother slides. Features:Solid AxleInverted Hollow KingpinExclusive low-profile kingpin head design without shark edges – no hanging up or catching on grinds.45% more kingpin clearance than standard team editionsAdjustable with 5.5mm or 7/32” allen key (compatible with Spitfire T3 tool).Updated baseplate design rounds off the corners and pivot housings for smoother nose and tail slides.Reinforced kingpin and pivot wall housings for increased strength and longer truck life90A Durometer clear purple bushings and 100A Durometer pivot cups for fast break-in time.