OJs Worthington Pool Tiles Elite 99A Wheels 53mmHardline shapes feature a wide road surface for stability and consistent slide with a hard edge and conical cut for controlled tricks on coping and edges. Elite WAY TOO FAST Urethane! Flying out the lab to the streets and beyond, Elite Urethane guarantees more speed, a longer lasting roll, and hands down epic times with your crew. Features: Diameter: 53mm Durometer: 99a Road Surface: 23mm Wheel Shape: Hardline Wheel Width: 34mm