Spitfire Formula Four 99d OG Classic 55

The Spitfire Formula Four OG Classic Wheels in 55mm 99D pair Spitfire's proven Formula Four urethane with the original, straightforward profile of the OG Classic shape. The narrower riding surface keeps them quick and responsive with a traditional skate wheel feel.

The 99D durometer offers a good balance of speed, grip, and slide, while the 55mm size gives you a little more roll for rougher street spots, parks, and transition without getting overly bulky.

Features

• 55mm diameter
• 99D Formula Four urethane
• OG Classic shape
• Traditional narrow wheel profile
• Fast, responsive feel
• Excellent flatspot resistance
• Consistent, predictable slides
• Set of 4 wheels