IFMAR legal, specially-designed 4WD front wheels with 12mm interior hex. Perfect fit, and perfect for high-competition race. The tires are manufactured from versatile product while still being durable against impacts. The side associated with wheel is aerodynamic for maximum performance. Moderate hardness. Unique features of the wheel are noticeable from inside: reinforcement ribs to really make the wheels as stable as you are able to and eradicate deformation. Pair of 5 pairs (10 pcs) the cost of 4 pairs. A fantastic value pack. Fits all XB4
