The Formula Four Conical skateboard wheels are lightweight and poured in Spitfire's rider approved urethane formula. This urethane lasts longer, withstands more abuse and performs better than the competition. Pick which duro you're looking for after assessing the varying attributes, 'cause this is getting technical.
- Set of 4 Wheels
- Medium
- Smooth
- Formula Four Urethane
- Conical Shape
- 99a
Medium - Your classic wheel shape, versatile all-around wheel for street/park skating.
Smooth - Smooth wheels come with a shiny coating on the riding surface that feels grippy at first, but wears away quickly.
Formula Four Urethane - Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer lasting size and shape.
Conical Shape - A true performance conical shape, hand cut for quick response and less weight.
99a - Offers more grip than harder wheels and more slide than softer wheels. Great for slick surfaces when you want more control.
| Size | 52mm | 54mm |
|---|---|---|
| Diameter (mm): | 52.0 | 54.0 |
| Width (mm): | 31.5 | 32.2 |
| Riding Surface (mm): | 19.5 | 20.2 |
| Suggested Riser Size (in): | N/A | N/A |
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