detail:

100% brand new, high quality.

Diameter: 36 mm

The heatsink is suitable for 540, 550 and 3650 3660 size motors with a 6V cooling fan to protect your motor. Speed 8000, maximum 7.4V

The cooling fan can be easily and easily powered from the receiver.

The package includes:

1 aluminum radiator with 6V cooling fan

Note: Use electromagnetic motors to interfere with the fan's work, 

you can put a piece of paper or insulating tape in the center of the fan to restore normal

Our company was founded in 2008, has been researching,

developing, producing and selling for more than ten years. 

The factory is located in the RC model factory in Shenzhen,

China. If you need a large order or custom product, please contact me.

1.100% Real Picture.We take the pictures of the products by ourselves for showing you the original products. These are only for your reference because there may be a little difference between the pictures and the real item.

2.12 months Manufacturer`s limited Warranty for defective items.   

Defective items must be reported and returned within the warranty period (and in the original packaging, if possible). 

You must tell us what the defect is and give us your order number.  We do not repair or replace items with an expired.

1.Buyers early confirmation will be highly appreciated after receiving the items.

2.Since your feedback is very important to our businesss development. If you are satisfied with our product and service, we sincerely invite you to leave positive feedback for us.

3.Please contact us before leaving any negative or neutral feedback. We will work with you to solve any problems.  

1.You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and we will not issue you a refund or replacement. There are no exceptions! Shipping cost is bear by both seller and buyer in half.

2.All returned items must be in the original packaging and you must provide us with the shipping tracking number, specific reason for the return, and your po#.

3.We will refund your full winning bid amount , upon receipt of the item in its original condition and packaging with all components and accessories included.After both buyer and seller cancel the transaction from aliexpress. Or, you may choose to have a replacement.

4.We will bear all the shipping cost if the product(s) is (are) not as advertised.