ASS27491 Reedy Sonic 540-M4 Modified Motor 7.0 DE

SKU: ASS27491

Sale price$175.00
In stock


Brushless Motor Overview:

The Reedy Sonic 540-M4 Driver Edition Modified Brushless Motor is a specialized brushless motor tailored with insights from Reedy's global racing team. Distinguished by its use of the ASC27447 rotor, this edition utilizes the same high performance design as the standard 540-M4 series of motors while optimizing throttle feel and consistency. This improved throttle response translates to more consistent lap times and the confidence needed to push your vehicle to the limit!


  • CNC-Machined Lightweight Can: Ensures durability while maintaining a lightweight build
  • Aluminum End Cap: Enhances heat dissipation for improved performance
  • Low-Resistance, Silver Plated Solder Tabs: Enables efficient power transmission
  • Optimized Air Cooling: Enhances temperature regulation during operation
  • Dual Precision Ball Bearings: Ensures smooth and stable performance
  • Balanced Rotor: Provides stability and consistency in performance
  • Adjustable Timing: Offers customization for varying racing conditions
  • ROAR, EFRA, BRCA, and IFMAR Approved: Complies with international racing standards


  • Type: Brushless Sensored
  • Size: 540
  • Turns: 7.0T
  • Input Voltage: 1-2S LiPo
  • Diameter: 35.9mm
  • Length: 50.3mm
  • Shaft Diameter: 3.15mm
  • Weight: 160-170g
  • Stock Rotor: ASC27447
  • Bearings: 1/8x3/8x5/32 & 1/8x5/16x9/64


  • (1) Sonic 540-M4 DE Modified Brushless Motor (7.0T)
  • (1) 200mm Sensor Cable

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