Spitfire F4 OG Classic Wheels | 99D/54mm

Spitfire F4 OG Classic Wheels | 99D/54mm

The OG cut-away shape in the 54mm size that does a bit of everything.

This is Spitfire's original cut-away shape in a 54mm Formula Four. It's a versatile size that works on street and in the park, and the 99D duro is the classic all-round hardness.

The OG Classic gives you a wider riding surface than the regular Classic, with cut-away sidewalls to keep weight down. Formula Four urethane resists flat spots and slides smoothly without sticking, so the wheel feels stable on landings and predictable on grinds.

Key Features

• OG Classic shape: wider riding surface with cut-away sidewalls that trim weight
• Formula Four urethane: Spitfire's performance formula for flat-spot resistance and an anti-stick slide
• 99D hardness: hard street and park duro with a predictable slide
• 54mm diameter: all-round size for street and park
• Set of four: enough for one board

Specs

• Diameter: 54mm
• Durometer: 99D (Spitfire scale)
• Shape/profile: OG Classic: Spitfire's original cut-away shape: a wider riding surface with sidewalls cut away to save weight
• Formula/urethane: Spitfire Formula Four
• Best for: Street, park, all-round skating
• Bearings: Not included (fits standard 608 bearings)
• Sold as: Set of 4

About Spitfire

Spitfire Wheels started in San Francisco in 1987 and is still based there today, distributed through Deluxe alongside some of the city's best-known skate brands. The flame logo has been on the bottom of street, park and bowl setups ever since.

Today Spitfire is best known for Formula Four, its performance urethane built to resist flat spots, hold its shape and slide smoothly without sticking. It comes in a wide spread of shapes and hardnesses, from soft 80HD cruisers to hard 101D park wheels, so you can match the wheel to how and where you skate. Riders choose Spitfire because the wheels are consistent from set to set and simply last.

FAQs

What are the Spitfire F4 OG Classic 99D 54mm wheels best for?
All-round skating. 54mm handles street and park, and the wider OG riding surface feels planted. The OG Classic is Spitfire's original cut-away shape. It gives you a wider riding surface than the Classic, with the sidewalls cut away to keep weight down, so it feels stable underfoot but still quick.

What does 99D mean?
Spitfire rates hardness on its own Duro scale, written D or DU, and doesn't publish a conversion. Retailers generally list it on the A scale, so 99D is usually listed as 99A, a hard street and park wheel. It rolls fast on smooth concrete, grips well enough to set up tricks and slides predictably. On rough footpaths you'll feel more of the cracks than on a softer wheel.

What size wheel should I get, and do I need risers?
54mm is the all-rounder size. It's big enough to hold speed in the park and roll over rougher ground, but still light for street. Most standard trucks run 54mm wheels without risers.

Do they come with bearings?
No. They come as a set of four wheels without bearings. Any standard 608 skate bearing fits, so you'll need a set of eight bearings, and spacers if your bearings don't have them built in.

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Burn Four Ever. Spitfire, San Francisco since 1987.