WayIn&reg; Extra 4Pcs Gears with Shafts for Yizhan Tarantula X6 / JJRC H16 RC Quadcopter Fit for YiZhan Tarantula X6 RC and JJRC H16 RC Drone Model: Yizhan X6/JJRC H16 RC Drone Type: Spare Set, Gear Package Contents: 4pcs x Gear with Shaft