SG 1603 1604 UDIRC 1601 RC Car Upgraded Brushless 2435 Motor 25A ESC Servo Spare Parts Precise details: Description: Item Name:Upgraded brushless motor esc servo Material:Plastic and electronic parts Color:As shown Type:Full set(motor esc servo combo),separately motor/esc/servo(these are not all included,they are optional choosen by yourself) Product Size: Motor:Motor length is 35mm,motor diameter is 24mm,shaft length is 11.2mm,shaft diameter is 2.3mm,wire length is 82mm,connector size is 3.5mm ESC:39.5*31*14,5mm Servo:34*13.3*28mm,wire length is 255mm Product Weight:Motor is about 63.7g,esc is 16g,servo is 15.2g Fit For:SG 1603/1604,UDIRC 1601 1/16 rc car vehicles model Specification: Motor:Voltage is 7.4v,3900kv ESC:25A Servo:17G,1kg torque,3 wires Note: This brushless motor,esc and servo can work with 1603,1604 and 1601 original transmitter,you do not need to change remote control,Motor mount also do not need to change Package Included: 1X Combo or Separate Part(it is selected by yourself)