This is the Xnova Lightning 4025-1120KV 1.5Y Brushless Motor with a 6mm "Type A" 36mm Shaft. The "Lightning Series" was developed from the extremely successful XTS Platform. Lightning series motors are simply the pinnacle of performance, and efficiency. If you're looking for the absolute best brushless motor within the Xnova line up, this is what you're looking for! This high performance brushless motor was developed 520-600mm size helicopters when powered with 6S.
Good for hard 3D on 6S
High quality Neo Magnets, heat resistant up to 150 degree C
Specialized wires, heat resistance up to 250 degree C