Radar flyer 66mm outdoor quad wheels green 78aall new fromradar wheelscome theflyeroutdoor wheelsstarting with the convex stable flex free edge fins of theradarshark hub a premium high rebound outdoor urethane was added and the edges were rounded off just slightly to promote a smooth stridethe result the highest performance outdoor wheel which rolls smoothly over debris and rough spotssize 66mm x 38mmdurometer 78apurpose outdoor skatinghub white urethane sharkcolour greensold as