550 X Pro Series Kit w/ Castle 120HV



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Required to Complete

- 6+ channel computer transmitter with helicopter programming
- 6+ channel receiver
- Flybarless control system
- 6S 5000–6000mAh 30C Li-Po battery
- 6S Li-Po battery charger
- 3 cyclic servos
- 1 tail servo
- Tools for assembly

The Blade team of experts has pored over two decades of flying and design experience into the development of the Blade® 550 X heli kit.

Welcome to the world of Blade pro-class helicopter performance. Over two decades of flying and design experience have gone into the development of the Blade® 550 X heli. Every part, down to the nuts and bolts, has been chosen or designed with one goal in mind—giving you a no-compromise, 550-size 3D machine that is second to none. Both kit and combo versions of the Blade 550 X heli arrive ready for you to assemble with motor, speed control and BEC. The 550 X model is a no-compromise thrill machine that delivers the performance expert helicopter pilots demand.

Included Components
• 1 Revolution® flybarless 550mm carbon fiber main blade set
• 1 E-flite® Heli 550, 1360Kv brushless outrunner motor
• 1 Castle Creations Phoenix Edge 120HV ESC
• 1 E-flite 10-amp BEC
• 1 Pre-painted fiberglass canopy


  • Direct-to-swash, flybarless head design
  • Carbon fiber main frames
  • CNC-machined aluminum head block
  • CNC-machined aluminum swashplate
  • Revolution® 550mm carbon fiber main blades
  • Triple ball bearing-supported, 10mm solid steel main shaft
  • Integrated bearing block servo mount design
  • Torque tube-driven tail with aluminum tail boom and case
  • Dual-point tail pitch slider and balanced tail grips
  • Castle Creations Phoenix Edge 120HV, 50V 120A ESC (included)
  • E-flite Heli 550, 1360Kv brushless outrunner motor
  • E-flite 10-amp BEC


550-class collective-pitch electric flybarless helicopter
Main Rotor Diameter:
49.0 in (1245mm)
Tail Rotor Diameter:
9.45 in (240mm)
Gross Weight:
7.39–7.72 lb (3.35–3.50 kg)
44.5 in (1130mm)
Main Gear Ratio:
Motor Size:
550-size 1350Kv brushless outrunner (included)
Kit with ESC
Control System:
120-degree CCPM
Rotor Blade Length:
Minimum Age Recommendation:
14 years
Experience Level:
Recommended Environment:
Assembly Time:
5-7 Hours
Is Assembly Required:

Parts & Accessories

Parts Listing   (See All)

  • 5x10x4 Bearing (2)

  • 2 x 5 x 2.5 Flanged Bearing (2)

  • 8 x 14 x 4 bearing

  • Fbl Main Rotor Grip Set: 550X/600X

Optional Accessories   (See All)

  • Servo Arm Set: 550X/600X

  • LiPo Charge Protection Bag, Large

  • Gold Bullet Connector Set, 6.5mm (3)

  • EC5 Device Charge Lead with 6" Wire & Jacks, 12Awg

Hop-Ups   (See All)

  • Red Option Canopy: 550 X

  • Black Landing Gear (2): 550X/600X

  • Aluminum Anti-Rotation Bracket: 550X/600X

  • Aluminum Body Posts: 550X/600X