and are built to stay cool on your knees

Lightweight design

13% elastic

and signature rubber waffle outsoles

Spitfire Formula Four Classic 101DU Skateboard Wheels Natural/Orange 53mm Size:53mm and are built to stayWider riding surface for full control. 101a Durometer Spitfire is the World's #1 urethane for a reason Performance. All Spitfire wheels are hand poured, shaped and specifically engineered in San Francisco CA. USA. Only the most advanced formulas and compounds are used for all wheels. Manufactured using a 100% pure urethane compound, Formula Four wheels out performed and resisted flat spots longer with less wear than all other wheels tested. The