The Spitfire Formula Four Eternals Radial Full Wheels 99A have the following specifications:

Formula Four
- Unmatched abrasion resistance equals fewer flat spots
- Smooth anti-stick slide
- More controllable grip
- Lasting speed

Radial Full shape
- Insane wide riding surface with round edges for stability and versatility

Dimensions:
- Size: 56 or 58 mm
- Width: 39 mm
- Riding surface: 26 mm
- Hardness: 99 Duro

OPTION

Add a set of bearings + spacers with free fitting