SHS 32:1 Helical Super Torque Gear Set For Ver.2 / 3 AEG Airsoft Gearbox 3rd Gen

Replace Marui's Original Gears with this upgrade Gear
 
Torque Up Gear is designed to maximize torque for pushing higher spring tension in power upgrade AEG
 
Suitable for Airsoft AEG models with Version 2 & 3 Gearbox
 
Drive Ratio:32:1
Suitable Spring: M125-M180