These New Version of Motors Arms are designed for Potensic D88 drone.
The difference between Front and Back motors are as below image shows:
The front motor comes with a small hole while the back motor comes with a big hole. And the Back motors are higher than the Front ones.
• Type: Brushless
• Model: D8818
• Version: New Version
• Compatibility with Potensic D88
• Back Motors x 2 - New Version