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Intro to the Air 2.0
This RydeFX nitrogen shock, standard on all Dragons, has twin gas chambers. A gas "spring" chamber in the top of the shock can be set in a range from 50-100 PSI, giving it that initial plush spring rate during the first 1 to 1.5 inches of shock stroke. This larger 47mm aluminum cylinder in the middle of the shock will see an equalization of the pressure inside it with the pressure of the gas in the chrome rod cylinder (second gas chamber) while it is moving up through its travel. This middle 1.5- to 4-in. section of the shock stroke can be affected by changing the pressure inside the rod cylinder within a range of 120-220 psi. In the final inch of stroke, the rate increases quickly as gas pressures in the rod quickly build. Like a stop, the extremely high pressure keeps the shock from bottoming. Development and race testing began in 2003, and the Air 2.0 shock is setting a new standard in damping technology. (More info on p. 59, Tech Notes)