Adjustable rebound damping, Monotube shock with internal reservoir, High pressure nitrogen gas charged, STX single tube design, 36 mm / 1.417″ piston diameter, Adjustable preload with billed tool, Multiple spring rates available to accommodate a wide range of riders, Top level comfort, rideability, and performance, Hard anodized – precision CND-Machined components, Low-friction Shaft / Seal head design, Fully serviceable and repairable