Harder. Better. Faster. Stronger. Yes, those are Kanye lyrics, but they're also words that will describe you when you start riding on Spitfire
Formula Four 101d Classic Atomic Orange Skateboard Wheels. Get control over your skating with these 100% true performance urethane wheels.
101 Durometer hardness
Formula Four Urethane - Unmatched abrasion resistance (no flat spots), more controllable grip, lasting speed everywhere, smooth anti-stick slide, longer lasting (holds size and shape longer).