Highly recommended for the Great Planes Yak 54 3D EP ARF! Specifications

Motor Shaft Diameter: 4 mm
Rear Shaft Length: 16.5 mm
RPM / V (kV Rating): 950
Bullet Connector: 3.5 mm
Weight: 2.5 oz. (71g)
Suggested Prop Size: 10x5E - 12x6E
Input Voltage: 11.1-14.8 Volts
Silver Series Recommended ESC: SS-35 (35A)
Optional Adjustable Mount: Medium