Sharks the new team edition wheel series made with insaneathane this family of wheels have an ez edge street style shape and come in a range of sizes that caters to any terrain and or skater39s preference insaneathane is insanely tough urethane and oj39s most durable formula yet super fast slides excellent grips in all the right places ez edge feature a traditional street skating shape these wheels are harder streetpark wheels the streets are yours now go get itdiameter 52