Spitfire – Conical Full Formula Four 99 Duro – 56 mm

Spitfire’s Formula Four is Spitfire’s latest polyurethane blend. The shape is Conical Full and the color of the wheels is “natural” with blue print on the front.

These wheels are 56 mm in diameter, 36 mm wide, have a contact surface (with the ground) of 25 mm and come in hardness 99A – grips & rolls well.

The wheels are sold in packs of 4.