In a monotube shock, the oil and gas chambers are separated by a floating piston. There is no cavitaition, and the valving is more responsive. Higher gas pressure offers additional resistance, giving the monotube variable for tunability. Increased performance is automatic! Since the gas itself becomes part of the spring action, it compresses over smaller bumps and accelerates through bigger hits, which improves control and response. Monotubes have a larger surface area to spread the load, distributing pressure evenly over the entire shock and resulting in more efficiency and better performance.. Reservoir shocks improve suspension performance and keep shocks cool to prevent foaming. Reduces pressure fluctuations, resulting in less fade during extreme stress. Consistent damping control, larger volume of oil, more heat dissipation. Dragonfire Racing Shocks 2018-2021 Polaris RZR 1000 60in PS (LR). Instantly changes from smooth to stiff suspension. Ease of installation. Higher performance

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