* Flip skate wheels * Set of 4 wheels * Size: 54mm * Durometer: 99a * Material: 100% Urethane * Treaded riding surface * Custom print design * Colour: Green The Flip Cutback 99a Skateboard Wheels is an all-around great wheel set suited for both beginners and pro skaters. This set of 4 wheels has a 54mm size and a 99a durometer best for skating on the park or streets. This skate wheel set has a treaded riding surface to give your ride ample speed with good grip. It is made from 100% urethane material for that premium durability for longer rides. It comes in a green colourway with a custom print design.