The Spitfire Formula Four 99 OG Classic Wheels are about as classic as skate wheels get. They're natural white 54mm wheels in Spitfire's Classic shape, poured in Formula Four 99 duro urethane, with the OG Spitfire flame logo. They're fast, they slide smooth, and they last forever. If you're not sure what wheels to get, these are always a safe bet.
Specifications
| Brand | Spitfire Wheels |
| Formula | Formula Four (F4) |
| Durometer | 99D |
| Shape | Classic |
| Size | 54mm |
| Color | Natural |
| Graphic | OG Classic |
| Quantity | Set of 4 wheels |
| Item # | 2111024554 |
More Info
Why We Like Them
- Formula Four urethane: Spitfire's best stuff. It's super fast, holds its shape, resists flat spots, and lasts way longer than cheap wheels.
- 99 duro: Hard and fast, with smooth, controllable slides at the park and on smooth street spots.
- Classic shape: The most popular wheel shape in skating. A medium-width riding surface with rounded sidewalls gives you control in pretty much any situation.
- 54mm: A great all-around size, small enough to stay light for street and big enough to hold speed at the park.
- OG Classic graphic: The iconic Spitfire flame logo on natural urethane.
Who Are These For?
F4 99 OG Classics are a go-to for street and park skaters who want a fast, durable, do-it-all wheel. They're a great upgrade from stock complete wheels, too.
Frequently Asked Questions
What does F4 99 mean?
F4 is Spitfire's Formula Four urethane, their top-of-the-line formula. 99 is the durometer, or hardness, which makes them hard, fast, and slidey on smooth surfaces.
What's the Classic shape?
It's Spitfire's original and most popular shape, with a medium-width riding surface and rounded sidewalls for control in any situation.
Are 54mm wheels good for street and park?
Yep. 54mm is one of the most versatile sizes, light enough for street tricks and big enough to keep your speed at the park.
Are 99 duro wheels good on rough ground?
They're best on smooth concrete and at the park. On really rough streets they'll feel bumpier. For crusty spots, check out softer options like Spitfire's 93 or 97 duro wheels.
How many wheels come in a set?
Four wheels, enough for one board. Bearings are sold separately.