Shock Absorber Adjustable Single-orifice Material Steel Force 1.3 lb Max Cycle Rate 60 per min Max Weight 22 lb Rod Thread Size M10x1 Locking No Rod Dia 2.4 mm Cylinder Dia 10 mm Pin Dia 2.4 mm Stroke 8 mm Extended Length 58.9 mm Compressed Length 50.9mm Fixed Resistance No Adjustable Resistance Yes Includes Adjustment Knob