13" standard height. Standard spring for up to 240Lbs/109kg (like rider+ luggage). Matte black spring and black anodized Preload ring. Exclusive Preload setting guide marks. Includes easy to use non marring plastic preload adjust wrench. Gas charged mono tube with internal floating piston (IFP). 1.5" 6061 T6 aluminum type III hard anodized body. Fully rebuildable and re-valvable. Advanced high flow, deflective disc velocity sensitive damping. With a 5/8" low friction, super finished hard chrome shaft.