Spitfire Formula Four 99D Classics Skateboard Wheels - White/Red Size:51mm To perfectly fit these changes

To perfectly fit these changes the Doubleset is making space for the new Stairset with it's mind breaking design

Street Tech Formula™ (STF) is specifically engineered from top quality components to obtain all the best properties necessary for the ultimate in street wheel performance

Ultra light weight Titanium axle saves weight while maintaining a high level of strength and rebound

Throw the "Donut Pattern" graphic onto your deck as is or cut and customize it to fit your style

100% pre-shrunk cotton T-shirt

Spitfire Formula Four 99D Classics Skateboard Wheels - White/Red Size:51mm To perfectly fit these changesDesigned with your favorite classic Spitfire Classic wheel designs and manufactured with the quality high performance, Formula Four urethane. Formula Four Urethane lasts longer, withstands more abuse and performs superior to all other wheels. Designed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another. Manufactured using a 100% pure urethane compound, Formula Four wheels out