Spitfire Formula Four 99D Radial Skateboard Wheels SUMMERSALE25 STI open cell foam for

STI open cell foam for foot contact

99a durometer

from skate parks to backyards

the Stimulus is the jack of all trades that’s captivated our hearts year after year

Spitfire Formula Four 99D Radial Skateboard Wheels SUMMERSALE25 STI open cell foam forSpitfire Formula Four 99D Radial Skateboard Wheels Tested 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