Spitfire Classic Neon Blue wheels 52mm (Set of 4). The wheel that started it all now in a Limited Edition Neon and Blackout urethane, thats guaranteed to perform. No other wheel company offers a true 99 durometer skateboard wheel in as many shapes and sizes as Spitfire does. Hand poured and shaped in SF. Dont settle for what other skateboard wheel companies offer, mass produced molded shapes. Ride the Fire.