Miles Silvas Pro Model The Spitfire Wheels Classic Formula Four offers unmatched abrasion resistance, meaning fewer flat spots, more controllable grip and lasting speed. These are designed from the ground up for a fast, smooth ride, with a consistent slide for when you need it. The Classic 99's are the #1 Shape in skateboarding worldwide - proven for speed and control. Product Performance: Many skaters assume the performance and quality of skate wheels are all the same. A wheel is a wheel is a wheel, they might often say. That's actually not the case. In fact, very large differences exist between the raw materials, manufacturing process, quality control and performance of different wheel brands. Up until now though, a wheel's reputation has been a combination of market hype, market muscle, skater support and word of mouth. Spitfire wheels popularity is largely a result of superior quality, performance and durability. Designed for: Street Skating | Skateparks Specifications: Diameter: 52mm Width: 32mm Contact Patch: 15.5mm Durometer: 101a Formula: Formula Four Lip Profile: Classic Core Placement: Centerset Contact Patch Surface: Smooth Set of 4 Wheels
