... .5KW3.Efficeincy: 88%4.Speed: 2000-6000rpm (customizable)5.Casing: Aluminium 6.Length (height): 126mm 7.Diameter: 206mm8.Shaft: customizable 9 ... , Stainless Steel Shaft, Self Cooling Fan 10Applications: Electric car, electric motorcycle, electric tricycle, electric golf carts, fork lift, electric boat, etc ... Motor Drive connection brushless electric inboard motor for boat ,car ,motorcycle