Spitfire F4 Classic 99D Wheels 51mm Youth S (48-53cm) Flex Link Design: A flexible

Flex Link Design: A flexible panel at the ankle between the upper and lower shell ensures an even flexing

Embroidered logo and flag label

Outsole: EVA Foam

Tapered shape

Spitfire F4 Classic 99D Wheels 51mm Youth S (48-53cm) Flex Link Design: A flexibleThe Spitfire Formula 4 Classics come in at a 51mm diameter and 99a durometer making it a pro wheel stable for skating street, skate parks and bowls! The Spitfire Formula 4 Classics are built to excel with its signature Formula 4 design. Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another! Features: Diameter: 51mm Durometer: 99a