Atom quad derby 62mm wide poison wheels 84a 4pk natural greenatom39s go to wheel for any surface with superb grip and roll it is no wonder that this is one the most popular wheels on the marketideal for indooroutdoor slick surfacessize 44mm x 62mmdurometer 84apurpose roller derbyhub hollow corecolour natural greensold in packs of 4 wheels