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3. Precision engineered for maximum energy conversion.
2. Guaranteed to meet the specifications of your original device.
1. Not only uses the principle of heat absorption of aluminum products to dissipate heat, but also adds more bottom hollowing to make the motor more full in contact with the air, thus improving the heat dissipation effect and speed.
Cooling Fan: Size 40×40×10mm, Ball Bearing Features Fast Cooling and Long Life; Powered by DC Voltage:5V-6V, Just Connect Receiver Spare Port to Get Power
1 Piece Motor Heatsink with Cooling Fan, Inner Diameter about 36mm (1.41 inch), Compatible with 540 550 3650 3660 3674 Brushless/Brushed Motor, Also Fits for Other Motors Which Diameter is 36mm
It is suitable for 550/540 motors of RC1:10 model cars
Heat sink is made of high quality aluminum, durable, light weight, good heat dissipation,High-speed dual cooling fans can well protect the motor from overheating and reduce the working temperature of the motor to make the RC car run more efficiently.