Spitfire Formula Four 99D Classics Skateboard Wheels - White/Yellow Size:55mm and grade 8 kingpin

and grade 8 kingpin

lightweight and ultra fast in Spitfire's amazing Formula Four urethane

durability

waistband and most importantly 'THE FIT'

or stretch marks

Spitfire Formula Four 99D Classics Skateboard Wheels - White/Yellow Size:55mm and grade 8 kingpinDesigned 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