Features:
1. Easy to install and durable.
2. 36mm Fans Heat Sink.
3. Made of aluminum, CNC machining.
4. Practical and durable for protecting the motor from overheating.
6. Precision Engineered for Maximum Energy Conversion.
7. Light weight and easy to use. Easy to replace.
8. Guaranteed to meet the specifications of your original device.

Specifications:
Name: 540/550/545/560 Motor Radiator
Material: Aluminum Alloy
Inner diameter: about 34.6MM/1.36"
Height: about 28MM/1.1"
Aluminum alloy thickness: about 2MM
Weight: about 20.9g
Color: Red/Blue/Purple Optional
Fit for 540/550/545/560 Motor RC Boat & RC Car

Package list:
1 * Motor Radiator

If there is any questions, just contact us, we will alway be here for you.