Features: 46mm Piston Diameter. Hard Anodized - Precision CNC-Machined Components. Adjustable Preload w/ Billet tool. Emulsion Type Nitrogen Charged Design. STX Single Tube design. Multiple Spring Rates available. Low-friction Shaft / Seal Head design. Sold as a pair. Fully Serviceable and Repairable. Stroke 42 / 1.6".