Twin Metal RC Cooling Fans 30mm 28000 RPM with Motor Heatsink-Update Parts RC Fan for 1/8 1/7 Scale RC Cars 540 3650 550 3670 Motor,Diameter Size of Brushless Motor is 36mm (Red) - ARRAROWN, FAN-040

• Update 30 mm Aluminum Fan: The rc fans with metal frames, 28000 high RPM for powerful storm, it made of high quality metal, featuring finely crafted, high-gloss pulled edges, exquisite workmanship make this rc cooling fan heatsink is durable for long term use. Uniquely Designed Metal Heatsink: This metal heatsink is precision punched holes for easy installation, Three small holes on both sides guide the cold airflow to spread to the surface of the heat sink, increasing the air flow on the surface of the motor, thus increasing the cooling effect of the fan. Ultra-strong grip locks the motor firmly against bumps. Suitable for 1/10,1/12 RC Cars: The diameter of the heatsink is 36mm and is designed for motors with a diameter of 36mm,such as 540/F540/550 and 3650/3660/3665/3670/3674 brushless motor, suitable for 1/10,1/12 scale rc cars. Besides, the package with extension cable and fan cover,in order to meet the needs of different buyers. Excellent Cooling Effect: The speed of the fan can reach up to 28000 RPM, the excellent heat dissipation effect of the fan with the support of the heatsink, can be quickly achieved to achieve to the motor heat dissipation, to achieve the purpose of protecting the motor and extending the service life of the motor. Notice: Fan plug has a small "triangle" sign indicates the positive pole, the other end is the negative pole, if the fan does not work after plugging in, please insert a different side to try., Manufacturer: ARRAROWN