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Built for spec-class racing, the Hobbywing Justock 21.5T delivers smooth, consistent power with zero timing for ultimate control and reliability. Perfect for blinky-class touring, F1, or off-road racing, it's ROAR and EFRA approved and race-ready out of the box. Pair it with a Justock ESC for unbeatable performance in legal spec racing.
**If you are looking for larger quantities of stock than what we have listed, please contact us.**
Hobbywing Justock 21.5T — Pure Performance, Zero Compromise.
The Hobbywing Justock 21.5T brushless motor is the gold standard for blinky (zero timing) spec racing, delivering smooth, efficient, and consistent power lap after lap. Engineered for precision and built with high-quality materials, it offers a perfect balance of speed, torque, and thermal stability — making it the go-to choice for club racers and competitive drivers alike.
Pair it with a Justock ESC for seamless power delivery and a legal edge in any 21.5T sanctioned class.
Key Features:
ROAR & EFRA approved for 21.5T spec classes
Ideal for on-road and off-road blinky racing
Ultra-reliable with excellent thermal management
Low maintenance and race-ready out of the box
Compatible with Hobbywing’s XR10 Justock ESC for peak performance
Consistency is king — and the Justock 21.5T delivers it every time.
Built for spec-class racing, the Hobbywing Justock 21.5T delivers smooth, consistent power with zero timing for ultimate control and reliability. Perfect for blinky-class touring, F1, or off-road racing, it's ROAR and EFRA approved and race-ready out of the box. Pair it with a Justock ESC for unbeatable performance in legal spec racing.