Spitfire F4 99 Tablets Wheels are crafted with Formula Four urethane for a rapid, streamlined wheel with superior performance. The natural white wheels have a tablet shape with 99 Durometer hardness, making them ideal for street skating. These wheels offer an original Spitfire logo, a thin riding surface, and a straight cut profile. Lightweight and quick to respond, they are made of F4 Formula Four urethane, and offer long-lasting speed and control. This set of four includes 54mm Natural white wheels with blue graphics.