Spitfire Formula Four 101D Blackout Radials Skateboard Wheels Fingerboard Trucks moisture-wicking Sweatsaver™ Liner inside

moisture-wicking Sweatsaver™ Liner inside

Reinforced stitch on the crotch and belt loops to prevent rips and tear

Double knee reinforcement

The wheels also feature our 70D durometer urethane material that feels perfect for indoor and outdoor surfaces

-fully printed wrap around design

Spitfire Formula Four 101D Blackout Radials Skateboard Wheels Fingerboard Trucks moisture-wicking Sweatsaver™ Liner insideSpitfire Formula Four 99D Radial Skateboard WheelsTested by Spitfire Team riders, Formula Four Performance Urethanelasted longer, withstood more abuse and performed superior to all other wheels. Spitfire 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. Formula Four's True lasting Performance Urethane comes not from a single benefit, but