Spitfire F4 Classic 99D Wheels 56mm hardware Durometer: 78a

Durometer: 78a

Thin deconstructed upper

Legendary Original Bones Swiss Bearings are the optimum combination of Bones Skate Rated design and Swiss precision manufacturing creating the standard by which all other bearings are measured

flawless fit

Spitfire F4 Classic 99D Wheels 56mm hardware Durometer: 78aThe Spitfire Formula 4 Classics come in at a 56mm 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: 56mm Durometer: 99D