WLtoys V966 V977 RC Helicopter Spare Parts Main Gear 2.5mm Remote Control Toys Parts Item Name: WLtoys V966 V977 RC Helicopter Spare Parts Main Gear 2.5mm . Brand: WLtoys . Item No: V966 V977 . Color:White / Black ,Color may vary, randomly sent . Usage: For WLtoys V966 V977 RC Helicopter . Package Included: 1 x Main Gear .