HIGH TORQUE MOTOR - SHORTFrom the manufacturer of the popular SHS motors, the new Super Cool series motors feature multiple cooling fins around the motor shaft pushing heat out the side cooling vents as the shaft rotates. One small air vent on each side of the motor shell, right next to the cooling fins, help dissipate heat quickly and efficiently. Air vents are low profile compared with other brands that have multiple large air vents that can possibly allow debris and dust