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Everything about the Commercial HD is tough. Thicker steel, bigger piston, stronger internals and more oil & nitrogen capacity all combine to make this the toughest shock in the range. Incorporating the ride and handling characteristics of the Pro Sport with the brute strength of the Big Bore Expedition shock result in a standard travel shock perfectly fit for military service.
The Commercial; HD shock is a super tough thick wall steel, twin tube design with the Terrafirma massive 20mm shaft and new 46mm diameter piston. Low pressure nitrogen keeps the olil under pressure with prevents it cavitating which causes shock fade, something bthe Commercial HD is never troubled with. The mounting pins and eyes are fully welded for added strength and fitted with rubber bushes.