Spitfire Formula 4 101d Classic 53mm White W Red Skate Wheels Go to amazon.com Related posts Which is the best spitfire wheels 53mm? FeatureSpitfire Formula 4 Classic Skateboard WheelsSize: 53mmDurometer: 101dColor: White W RedSet of 4 DescriptionSpitfire Formula 4 101a Classic 53mm White W Red Skate Wheels