Flip skate wheels * Set of 4 wheels * Size: 52mm * Durometer: 99a * Material: 100% Urethane * Treaded riding surface * Custom print design * Colour: Blue The new Flip Cutback 99a Skateboard Wheels is built for optimal skating experience. This 4-wheel set comes in a 52mm size and 99a durometer with a treaded riding surface to ensure a stable ride best suited for skate parks and streets. This wheel set is an all-around wheel that has a nice grip and speed that is ideal even for beginners. It is made of 100% high-quality urethane material. It comes with a custom print design in a blue colourway.