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The XERUN V10 G4R is set to establish a new standard for 13.5 and 17.5 turn Stock Spec class racing. HOBBYWING proudly introduces the all-new XERUN V10 G4R series of 13.5 and 17.5 class racing motors. With new stator, rotor, sensor, and endbells, along with higher quality materials, the proven build quality ensures that this new G4R series will dominate the podiums of Stock Spec class racing.

Featuring a fully adjustable, dual sensor port endbell, allowing for fine-tuning, for the perfect feel. The G4R series offers racers an optional higher strength rotor, (sold separately) providing options for various track sizes and conditions.

Available either on their own or paired with the all-new XR10 Stock Spec G2, the G4R series completes any spec racing motor program.

Racers seeking 21.5 and 25.5 options can still access the proven V10 G4 21.5 and the V10 G3R 25.5 motors, now paired with the new Stock Spec G2 ESC.