Spitfire | 52mm/99a Formula Four Conical Full Shape Wheels Brand_Quasi With the entire metal surfaces

With the entire metal surfaces coated using our Diamond Matrix (DMx) technology

Size chart image provided

So: Time's up

No straight line- Continual curve

The DS formula is tough as nails and will outlast all others on smooth pavements due to using a proprietary formula made in our own California urethane pouring facility

Spitfire | 52mm/99a Formula Four Conical Full Shape Wheels Brand_Quasi With the entire metal surfacesSpitfire is a skateboard wheel company that was founded by Jim Thiebaud in 1987.[4] The company released a video, entitled Spitfire, in 1993.[5] The company also produces skateboard bearings, skateboard tools, griptape, and soft goods (e. g. T shirts, gloves, caps), stickers, and accessories (e. g. bags, wallets, air freshener).[6]