Lancer Tactical 18:1 Gearset for V2/V3 series AEG rifles. this is often a basic replacement gearset for stripped or otherwise unusable gearsets in your rifle. The 18:1 Gear Set is that the same ratio of most stock gear sets in airsoft guns. 18:1 gear sets are an excellent balance between the output of speed, torque, and efficiency, and is that the perfect ratio for any standard or higher torque builds when paired with a balanced neo motor.