Machined Billet Aluminum Old Man Emu Detailing Internal Spring Design Each Weight: 0.45oz / 13g Hole to Hole (Compressed): 2.62in / 66.8mm Hole to Hole (Uncompressed): 3.54in / 90mm Overall Length: 3.87in / 98.4mm Travel Length: 0.91in / 23.2mm Shock Body OD: 0.39in / 10mm Shaft Diameter: 0.13in / 3.5mm