✔Compatible with Traxxas TRX4 ONLY, NOT fit other Crawlers. Extending the track width for greater control and stability
✔Hex Size:12mm, Hole Diameter:6mm, Thickness:10mm
✔The Spacers made of quality Brass, add weights to wheels, lower the gravity and improve stability. CNC machined for precision. Increased strength and precision.Easy upgrade from the original part.
✔with these Hex hub hub extenders, you can Extends the distance of the wheel, giving you better control over your RC car on rough terrains,improving your driving experience.