52mm super nullethane “Nullusion” wheels.54mm super nullethane “Nullusion” wheels. The new super nullethane mold is a high end urethane guaranteed against flatspotting. They are 101a, grip when you want them to, slide when you want them to and are super fast. All that and cheaper then STFs. Awesome.52mm Null Around wheels.53mm Null Around wheels. The Null Around wheels are a standard urethane 101a wheel, but much improved over our previous urethane. Both the 52mm and 53mm are a great medium/wide width wheel. That’s what we do here at Null, great product at cheaper prices. Ha.