Spitfire Formula Four 99D Radial Skateboard Wheels - Black Bags Spitfire text on metal anti-fray

Spitfire text on metal anti-fray end piece

Removable Shoulder Strap

FLEX RATING – 4-5

van dwellers

Cruiser style board shape

Spitfire Formula Four 99D Radial Skateboard Wheels - Black Bags Spitfire text on metal anti-fraySpitfire Formula Four 99D Radial Skateboard Wheels Tested by Spitfire Team riders, Formula Four Performance Urethane lasted 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