IFMAR legal size, specially-designed 2WD/4WD rear wheels with 12mm internal hex. The center countersunk area was redesigned to place the wheel nut deeper. Precision fit, perfect for high-competition racing. Made from flexible, durable material to withstand impacts. The side of the wheel is aerodynamic for maximum performance. Medium hardness. Special features of the wheel are visible from the inside: reinforcement ribs to make the wheels as stable as possible and eliminate deformation. Set of 5 pairs (10 pcs) for the price of 4 pairs. A great value pack. Fits all XB2 & XB4
