Fox Racing Shox Float II Airshox Shock Kit 850-52-200 The leader in air shock technology has done it again with the new and improved Float II Deliver better handling and performance through the most aggressive trail and mountain terrains while saving up to 6lb. over coil shocks Machined from 6061 T-6 aluminum Adjustable air-sleeve technology allows easy changes to air pressure or spring rates Allows rider to achieve perfect adjustable spring rate synergy that fits their body weight and riding style