The latest from spitfire the louie lopez end of time signature wheelthis conical shape has been hand cut for quick response and less weightspitfire is the worlds 1 urethane for a reasonall spitfire wheels are hand poured shaped and specifically engineered in san francisco only the most advanced formulas and compounds are used for all wheelsspecificationsdiameter 53mmwidth 32mmriding 195mmhardness 99ashape conicalride the fire