Spitfire F4 93 Radial Wheels

Spitfire’s Formula Four 93a Radial wheels, sometimes nicknamed “Soft Sliders,” are a game-changer for skaters who frequent rough pavement or just crave a tad more grip. At first glance, they look like classic Spitfire wheels – clean white urethane with subtle graphics – but the magic is in the urethane compound and shape. With a 93a durometer, these wheels are slightly softer than the typical hard street wheel, which means they absorb more vibrations from rough ground (think crusty spots, weathered concrete, or bumpy asphalt) and provide a more forgiving, grippy ride. The “Radial” shape refers to a medium-wide profile with rounded edges, giving you a stable contact patch and smooth slide initiation. In practice, that means you retain Spitfire’s famed ability to powerslide and revert, but with more controllable grip – you won’t slide out unpredictably on dusty park floors or chattery surfaces. They also make cruising and carving feel buttery, as the wheels kind of hug the ground. And being Formula Four, they’re remarkably resistant to flatspots despite the lower hardness. These are the wheels for the skater who wants to hit every spot (even the crusty ones) and still enjoy a fast, smooth roll. Whether you’re bombing hills in search of the perfect line or just prefer a bit of traction for bowl skating, the F4 93 Radials have you covered.
Key features:

• ~54 mm diameter (available in common sizes like 53 mm, 54 mm, 56 mm depending on stock) – versatile mid-size wheel

• 93a durometer Formula Four urethane (“Soft Slider” compound) for extra grip and shock absorption

• Radial shape: wide, rounded profile offering a solid contact patch and smoother slides

• Exceptional flatspot resistance, even at a softer duro – thanks to Spitfire’s high-rebound Formula Four tech

• Improved ride comfort on rough surfaces without sacrificing the ability to slide when you want to

• Pack of four wheels, proudly made by Spitfire – ensuring top quality for serious skate use