Stops the arch from collapsing (overpronation)

Action Nubuck/ Synthetic

CPSC Certified/CE Marked

187 Killer Pads® is the brand trusted by the top skaters in the world

Asymmetrically designed for more control

Spitfire Formula Four Conical 101D Skateboard Wheels Natural/Green 53mm Size:53mm Stops the arch from collapsingSPI SKW 6263. Diameter: 53 56mm Durometer: 101a Formula Four Series Conical Full Shape Pack of 4 Formula Four Performance Urethane Flatspot resistance, durability, controllable grip and a smooth, anti stick slide is what Spitfire had in mind when they created these wheels. Tested in Spitfire's labs and tested on the streets by Spitfire's riders, these wheels aim to combine all the desired properties of a performance wheel, without sacrificing any