Surpass Hobby V4S Rocket Stock Spec Brushless 2 Sensor 10.5T 13.5T 21.5T 17.5T RC Car Motor Part Letter:D Quadcopter Battery: 3

Quadcopter Battery: 3

Motor Type: Coreless Motor

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Surpass Hobby V4S Rocket Stock Spec Brushless 2 Sensor 10.5T 13.5T 21.5T 17.5T RC Car Motor Part Letter:D Quadcopter Battery: 3Description: Brand: Surpass Hobby Item: 540 Sensored Brushless Motor Shaft: 3. 175mm Stock Spec: strong magnetism, large torque, explosive force For the detail information,you can click here For the manual,please click here Options: Letter A: Motor 21. 5T,1900KV Letter B: Motor 17. 5T,2400KV Letter C: Motor: 13. 5T,3600KV Letter D: Motor 10. 5T,4000kv Features: 1. The silicon steel sheet were imported from original Japan,with the thickness 0. 35mm. 2.