13:1 Gear Set SHS13: 1 High Speed Single Sector Gear Set Achieve wicked trigger response and increased rate of fire. Lower Ratio gears require less rotations of the pinion gear to fully cycle your sector gear, therefore significantly increasing your cycle time. It is recommended to use a high torque motor when paired with low ratio gear sets due to the increased stress that your motor will endure. A motor with 16 22 TPA with Neo Magnets will yield super impressive