Adjustable rebound and compression damping, Monotube shock with piggyback reservoir, Length adjustable by .393", High pressure nitrogen gas charged, STX single tube design, 36 mm / 1.417" piston diameter, Adjustable preload with billet tool, Multiple spring rates available to accommodate a wide range of riders, Top level comfort, rideability, and performance, Hard anodized - precision CNC-Machined components, Low-friction Shaft / Seal head design, Fully serviceable and repairable