ITEM NAME:4 Pieces Shaft Large Gears Spare Parts for Visuo XS809 Foldable RC Drone New img *{margin:0;padding:0;.4PCS Main gear big gear for XS809 XS809HW XS809HC Foldable RC Quadcopter Drone Spare Parts. 4 pieces Large gears. Very ultra durable and super stable performance. Easy install,great backup.