Spitfire F4 Classic 99D Wheels 55mm 4.5/6W Durometer: 91A

Durometer: 91A

Battery Life: Minimum 1 hour in search mode after 200 hours in transmit mode (approximately 250 hours in transmit only or 50 hours in search only)

providing impact protection and custom energy return for any type of skating

the General is available with the Happy Lens™ and Trident™ polarization and features a virtually indestructible Grilamid® construction and Hytrel™ rubber nose pads and temple tips

Spitfire F4 Classic 99D Wheels 55mm 4.5/6W Durometer: 91AThe Spitfire Formula 4 Classics come in at a 55mm 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: 55mm Durometer: 99a