Helicopter drives 550 size
Product description and features
Drives for 550 size helicopters with blade length of approx. 500 up to 550 millimeters (19.69 to 21.65in).
You can get help with the drive configuration in the Hacker Motor setup finder. General information about brushless motors can be found in the Hacker Motor Wiki.
If you have any questions, you can also contact our support team at email@example.com.