Featuresdiameter 485mmmolded with the hardest slippiest compound in mindgo project branding throughoutabec 5 bearings and spacers included pre fitsold in packs of 4materialsconstruction 100 polyurethaneskate away the day with the grind inline skate wheels from go project taking hardness size and bearings all into consideration the good folks at go project have pulled out all the stops ensuring that you only get the best that you deserve poured baked and trimmed to perfection althoug