Description Item Name Two wheeled RetractsQuantity 1 Front retract and 2 rear retractsMaterial Metal Silver part Dimension 65 8x35 1x25 1mm 2 59x1 38x1 0inch Speed 0 7 s 60° 4 8V 0 55 s 60° 6VTorque 1 8kg cm 4 8V 2 0kg cm 6VPitch ø4mmWeight About 230gFlying Weight 3KGOperating Voltage 4 8V 6 0VWire Length 100mmSignal Wire Color Brown red orangePlug Type JRMax Stroke 90°Wheel Diameter 40mmWheel Thickness 12mmOutside Diameter of Aluminum Alloy 9mmHeight of Aluminum Alloy 100mmFeature Electric retractable landing gear can be used directly by connecting to a servo 10 seconds automatic power off protection circuit design to prevent overload Double damping design fully protective gear High quality retract system for models weighing up to 3kg Package Included 1x Front Retract2x Rear Retracts