ABEC 7

Yellow Translucent High-Performance PU Wheels  84A Hardness with Polyurethane Core  ABEC 7 Reinforced Micro Bearings  All Replacement Wheel Kits Include (Already Assembled for Easy Installation):  2 wheels, 2 axles, 4 bearings, 4 c-clips.  Small - fits shoe sizes 1 to 6  Medium - fits shoe sizes 6.5 to 8.5  Large - fits shoe sizes 9.0 to 14.0  Wheels made in USA