Specifications:
Wheel hub: plastic
Tire: Rubber (hard)
Outer diameter: 78mm
Width: 32mm
Aperture: 2.9mm (2.9mm can be tightly fitted with 3mm axle)
Weight: about 32g
3 * 78mm off-road wheel, tightly equipped with 3mm diameter axle. The wheel with a diameter of 78mm needs a high-power motor as power, so the model is also relatively large.