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. Mini-Combo shapes feature a wide road surface for stability and consistent slide and asymmetrical shape cut with a round back and conical front for customizing your set up. Brand OJ Wheel Diameter (Millimeters) 54 Wheel Durometer/Hardness 101a Road Surface (Millimeters) 20 Wheel Shape Mini Combo Wheel Width (Millimeters) 36 SKU 22222537