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Charging Shock Penske Sprocket
Penske Racing Shocks has long been the go-to choice for professional motocross teams demanding the absolute best in damping performance. Their reservoir shocks deliver consistency lap after lap, even under the brutal heat generated during moto racing. The precision machining and quality control that goes into each unit justifies the premium price tag for serious competitors.
Setting up a Penske shock requires understanding your specific needs. Spring rate selection comes first—too soft and you will blow through the travel on big hits, too stiff and the tire loses contact on smaller chatter. Most Penske dealers can help calculate ideal rates based on your weight, riding style, and typical terrain.
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Nitrogen charging pressure affects the shock response through its stroke. Higher pressures provide a more progressive feel, resisting bottoming while maintaining initial compliance. Lower pressures feel plusher but risk harsh bottom-outs if you push beyond the shock capability. Factory recommendations serve as starting points for experimentation.
Rebound and compression damping work together to control the spring energy. High-speed compression handles big impacts—jumps, g-outs, square-edged hits. Low-speed controls chassis attitude through corners and under acceleration. Rebound prevents the shock from extending too quickly and kicking the rear end sideways.
Service intervals matter with premium shocks. Penske recommends rebuilds every 30-50 hours depending on conditions. Dusty, muddy, or sandy environments accelerate seal wear. Keeping the shaft clean after every ride extends seal life significantly. The investment in maintenance protects your investment in performance.