Shaft Diameter: 3mm
Lipo battery: 2-4S
2 x ARRIS 2205 2300KV Brushless Motor (CW)
2 x ARRIS 2205 2300KV Brushless Motor (CCW)
Please Note:"CCW" here means the motor rotation direction is CCW. If we define it according to shaft of adaptor, then it is CW thread. So, please make sure to figure out the exact direction of your motor before make the purchase.