Spitfire Formula Four 99D Classics Skateboard Wheels - White/Blue Size:56mm With an internal 15 inch

With an internal 15 inch laptop sleeve and front organizer pocket

High speed nylon ball retainer provides added strength and speed

Abrasian/Flatspot Resistant

With mini bricks your guaranteed to the desired grind feel

Most importantly

Spitfire Formula Four 99D Classics Skateboard Wheels - White/Blue Size:56mm With an internal 15 inchDesigned 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