Spitfire Formula Four 99d Conical Full Wheels Kiteboards Skiers can tighten or loosen

Skiers can tighten or loosen the boot quickly without removing gloves

Made versitle with the DWR water repellent treatment and Hydrophoic quick dry

Mid-soft flex for freestyle and all-mountain riding

the nose to ensure a light weight nose all the time

refined glide

Spitfire Formula Four 99d Conical Full Wheels Kiteboards Skiers can tighten or loosenOverview The Spitfire Formula Four Conical Full skateboard wheels are built around one thing: Formula Four urethane, and it shows. The wide profile and conical full shape give you a bigger riding surface underfoot, so you stay locked in through grinds and slides without the wheel pulling out from under you. Formula Four's abrasion resistance means fewer flat spots and speed that actually lasts whether you're rolling through rough asphalt or threading