This family of wheels has an EZ-Edge, street-style shape and comes in a range of sizes that caters to any terrain. Insaneathane: Insanely tough urethane and OJ Wheels' 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 street/park wheels. The streets are yours, now go get it.