Spitfire Formula Four Classic 99d 55mm Size:55 Twelve external vents keep air

Twelve external vents keep air moving so you're not cooking inside

we've girthed up the fit for improved Mid Baggy blouse-ability

Back flap patch pocket

The QUATTRO sold out so fast

Spitfire Formula Four Classic 99d 55mm Size:55 Twelve external vents keep airThe Spitfire Formula 4 Classics feature an unmatched abrasion resistance for fewer flat spots, more controllable grip, and longer lasting speed no matter the terrain. With a 55mm diameter, these are perfect for beginner and pro riders skating street, skate parks, bowls and vert ramps. Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another!