Shock Absorber Adjustable Single-orifice Material Steel Force 6.1 lb Max Cycle Rate 60 per min Max Weight 1 433 lb Rod Thread Size M27x1.5 Locking No Rod Dia 8 mm Cylinder Dia 27 mm Stroke 25 mm Extended Length 156 mm Fixed Resistance No Adjustable Resistance Yes Damper Type 156 mm Includes Adjustment Knob