Root industries 110mm air wheel rastablackroot industries introduce one of the lightest wheels on the market air by name air by naturehollowcore technology provides the durability of twin plate arches in a wheel weighing only 190grams or 220grams with bearings fittedcombined with the same high standard pu from root industries ensuring a swift and strong wheelsupplied with the manufacturer39s own brand of super fast root industries abec 11 bearingsprice is for one wheel with bearin