Spitfire Formula Four Conical 101a Wheels - 53mm, 54mm, 56mm Krux This skate represents the perfect

This skate represents the perfect association between comfort

39-42 EU / 13j-3

- Get yourself a reliable super glue

and with a moderate edge grip that locks in when you need it to

This gives a totally scientific and accurate flex range across our entire line

Spitfire Formula Four Conical 101a Wheels - 53mm, 54mm, 56mm Krux This skate represents the perfectSpitfire Formula Four Conical 101a Wheels are the newest wheel by Spitfire. Tested by Spitfire Team riders, Formula Four Performance Urethane lasted 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