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Align T-Rex 550E Pro DFC Combo

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Product Description

Brand new T-Rex 550E PRO DFC incorporates all new design elements, focusing specifically on upgrading the power with a 700 class motor, the 730MX (850KV). With a size that fall in-between large and small models, this brand new T-REX 550E PRO DFC features stability and agility, with superior power output that will guaranteed jaw dropping performance.

T-REX 550E PRO DFC is equipped with latest designs such as: DFC main rotor system, new 112T CNC helical main gear, new style tail drive assembly, new style tail control system, etc. The most talked about feature is the newly developed 730MX (850KV) motor, a motor normally found in 700 class helicopter but over spec for 550 class. Enthusiasts can clearly feel the dramatic increase in power and torque, while taking advantage of its higher efficiency, lower current and temperature benefits. In addition, the newly designed 2mm thick 3K carbon side plates not only enables the installation of wider 730MX (850kv) motor, they also simplify the structure, while maintaining high rigidity and easy maintenance.

The clean atheistic exterior, ergonomic design, and superior control feel; all are reasons for enthusiasts not to miss this value packed T-REX 550E PRO DFC!

Standard equipment:

  • Castle Talon 90 Brushless ESC x 1
  • 730MX Brushless Motor(850KV) x 1
  • DS615 Digital servo x 3
  • DS655 Digital servo x 1



  • Length: 1160mm
  • Height: 330mm
  • Width: 110mm
  • Main Blade Lenght: 520mm
  • Main Rotor Diameter: 1188mm
  • Tail Rotor Diameter: 254mm
  • Motor Drive Gear: 16T
  • Main Drive Gear: 112T
  • Autorotation Tail Drive Gear: 131T
  • Tail Drive Gear: 34T
  • Drive Gear Ratio: 1:7:3.85
  • Weight(w/o power system): 2400g


  • T-REX 550E PRO DFC Kits Set x 1 set
  • 520 3G Carbon Fiber Blades x 1 set
  • 730MX Brushless Motor(850KV) x 1
  • DS615 Digital servo x 3
  • DS655 Digital servo x 1
  • Castle Talon 90 Brushless ESC x 1

Radio transmitter and electronic equipment required for assembly:


  • Transmitter (6-channel or more,helicopter system)
  • Receiver (6-channel or more)
  • Pitch gauge or Digital Pitch Gauge
  • 6S Li-Po 2600~5200mAh battery x 1
  • 3GX Flybarless System x 1 set

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