Spitfire Formula Four Radial Full Wheels - 54mm 99D - Switch Skate & Snow

Spitfire Formula Four Radial Full Wheels - 56mm 99D

$78.95
By SPITFIRE
Size

Overview

The Spitfire Formula Four Radial Full Wheels – 56 mm / 99 D are designed for skaters who want maximum speed, controlled slides, and a wider contact patch for more stability in bowls, ditches, and big-impact street spots.
Spitfire’s Formula Four urethane delivers a hard, fast-sliding compound that’s famous for its flat-spot resistance and long-lasting performance.

Key Features & Benefits

Feature Detail Why It Matters
Diameter 56 mm Mid-large size delivers higher roll-speed and smoother ride on transition, ditches, and rugged asphalt.
Shape / Profile Radial Full Shape Wider riding surface improves grip and control for carving, landings, and stable slides.
Urethane Formula Spitfire Formula Four 99 D High-rebound urethane designed for speed, predictable slide control, and extreme flat-spot resistance.
Durometer 99 D (≈ 99 A) Classic hard street/park compound for consistent slide with crisp response on concrete and coping.
Contact Patch Full-width contact patch Larger footprint locks into grinds and holds lines at high speed.
Ride Feel Fast, Responsive & Smooth-Sliding Maintains speed through bowls and slides out cleanly when needed.
Durability Abrasion & Flat-Spot Resistant F4 Urethane Retains shape and performance even after heavy sessions.
Set Up Sold in Set of 4 Wheels Ready to mount with your preferred bearings & trucks.

Performance Profile

  • Skater Type: Bowl & park skaters, ditch riders, and all-terrain street skaters seeking more speed and a wider, grippier wheel.

  • Surface: Excels on smooth indoor parks and rough outdoor concrete.

  • Feel: The 56 mm height clears cracks easily and keeps momentum for fast transition lines.

Why We Love It

  • Formula Four 99 D delivers iconic Spitfire slide and speed.

  • Radial Full shape adds stability and control for power-slides, carves, and gaps.

  • 56 mm size keeps you rolling fast for bowls, ditches, and downhill street runs.

  • Flat-spot-resistant durability saves money by lasting longer than regular wheels.

Specs Summary

  • Diameter: 56 mm

  • Shape: Radial Full – wide contact patch

  • Durometer: 99 D (≈ 99 A) – hard street/park compound

  • Formula: Spitfire Formula Four high-rebound urethane

  • Graphic: Classic Spitfire F4 print

  • Pack: Set of 4 wheels

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