Spitfire Formula Four 93A Radial Full Wheels 56mm Natural put Formula Four 93A urethane into the Radial Full shape, a super wide riding surface with round edges for stability and versatility. Formula Four 93A Soft Sliders give a controllable, consistent slide anywhere. The softer duro and high-rebound compound absorb more impact and vibration, so they're easier on your body for longer sessions.

At 56mm x 39mm, with a 26mm riding surface, this size adds a little speed and roll for park and transition. Sold as a set of 4.

Who These Wheels Are For

• Skaters who want stability, especially in bowls and transition
• Park and transition skaters
• Skaters on rough ground who still want to slide
• Spitfire fans

Features

• Formula Four 93A urethane
• Formula Four urethane: unmatched flatspot resistance and smooth anti-stick slide, per Spitfire
• Radial Full shape
• 56mm diameter, 39mm wide, 26mm riding surface
• Set of 4

Benefits

• Absorbs impact and vibration
• Stability, especially in bowls and transition
• This size adds a little speed and roll for park and transition

Specs

Compare Formula Four 93A Radial Full Sizes

Every size in this line uses the same formula and shape.

Radial Full in Other Durometers

The same Radial Full shape in a different formula or durometer, in this size or the closest one available.

Complete Your Setup

New wheels deserve fresh bearings. Spitfire makes three tiers:

• Spitfire Cheapshots Bearings (Good): Spitfire's base-level bearing, tested by the pro team, with removable black shields to keep the crud out.
• Spitfire Classics Bearings (Better): Superfast and durable, with heat-resistant chromium steel rings, removable nylon cages, and blue removable shields.
• Spitfire Burners Bearings (Best): Spitfire's high-performance pick, with polished honed races and high carbon chromium steel, packed in a reusable tin.

FAQ

Is 93A hard or soft?

Softer than a standard street wheel. 93A gives a controllable slide while absorbing more impact and vibration.

What is the Radial Full shape good for?

Stability, especially in bowls and transition. Spitfire describes it as a super wide riding surface with round edges for stability and versatility.

What size wheels should I get?

Smaller wheels (50 to 52mm) are light and technical, 53 to 54mm is the street and park go-to, and 55mm and up adds speed for transition and rough ground. See our skateboard wheels guide for more.