ROCKET 540 Brushless Sensored Motor 90A ESC Drift Racing for ARRMA 1/10 RC Cars Vehicles Model Spare Parts Precise details: -Description: Item Brand:ROCKET Item Number:540 Item Name:Motor/esc Material:Metal Color:Black Product Size:Motor size is about 36*50mm(diameter*length),esc size is about 44.5*39.5*31mm(including fan) Product Weight:Motor Weight is about 170g,esc weight is about 69g(including wires) Compatible Models:1/10 drift speed racing rc cars vehicles models -Specification of Motor: Turns:8.5/10.5/13.5 KV(RPM/Volt):4200/3950/3500 Watts:335W/265W/205W Lipo(S):1-3S Max Amps:80A/63A/49A Rotor Poles:2 IO(7.4V):2.8/4.0/2.7 Resistance(mQ):9.2/15.84/24.4 Rotor:Diameter12.5X Diameter 7.2X 24.5 Weight:170g Shaft(mm):Diameter:3.175 Type:MODIFIED/SPEC -Specification of ESC: Voltage Input:6V-11V Continuous Current:90A Peak Current:180A Motor Limit:≥8.5T Motor Type:Sensored 380/390/540 brushless motors B.E.C:6V/4A Forward/brake/reverse:Yes(factory preset at forward/brake) -Only Motor Package Included:(optional chosen by yourself) 1X Brushless Motor 540 -Only ESC Package Included:optional chosen by yourself) 1X Brushless ESC 90A