RC Plane Retractable System Servoless 5mm Optional Strut Post Retracts 4.0kg UK
Digital Servoless RC Plane Retracts (Supports upto 4.7kg). Landing gear not included with the servoless retractable system. Just screw in the retracts, connect to your Rx and you're all set! Not suitable for a plane heavier than 4.