Spitfire Grosso Sucks Formula Four 54mm Skate Wheels Features:Your classic wheel shape, versatile all-around wheel for street/park skatingSmooth wheels come with a shiny coating on the riding surface that feels grippy at first, but wears away quickly.Unmatched abrasion resistance for fewer flat spots. More controllable grip.The Classic profile with an increased riding surface designed for speed and stability.Offers more grip than harder wheels and more slide than softer wheels. Great for slick surfaces when you want more control.Item#21110164GR54