IFMAR appropriate size, specially-designed 2WD/4WD back tires with 12mm inside hex. The center countersunk area ended up being redesigned to put the wheel nut deeper. Precision fit, perfect for high-competition race. Created from versatile, durable item to withstand effects. The medial component linked to wheel is aerodynamic for optimum performance. Medium hardness. Original shows regarding the wheel are noticeable from inside: reinforcement ribs to really make the tires as stable as you can and expel deformation. Wide range of 5 pairs (10 pcs) the cost on 4 pairs. An amazing value pack. Fits all XB2 & XB4
