Standard - Your classic wheel shape, it's not built to excel in specific scenarios like a narrow or wide wheel, but it's appropriate for most situations. If you're new to skating this is where you want to start.
Smooth - Smooth wheels have less surface friction than treaded wheels and are easier to slide.
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.
Classic Shape - The original Spitfire wheel designed and shaped by the pros who ride them.
|Riding Surface (mm):||14.0||15.0||15.5||16.0||16.5||17.5||17.8||21.5|
|Suggested Riser Size (in):||N/A||N/A||N/A||N/A||N/A||1/8||1/8||1/8 - 1/4|