suitable for 540/550 size motor

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Dimensions of fan: Approx.1.18x1.18x0.28 inch/ 30x30x7mm

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Dimensions of cooling fin: Approx. 1.3x1.42x1.02 inch/ 33 x 36 x 26 mm

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Total Height: 1.46 inch / 37mm

nFeatures:
this heatsink is suitable for 540/550 size motor
The cooling fan can power up from the receiver, very easy to use.
Color: Blue
Dimensions of fan: Approx.1.18x1.18x0.28 inch/ 30x30x7mm
Dimensions of cooling fin: Approx. 1.3x1.42x1.02 inch/ 33 x 36 x 26 mm
Total Height: 1.46 inch / 37mm
Materials: Aluminum Alloy,plastic
Package Included:
1X RC Motor Heatsink Set