Spitfire – Conical Full Formula Four 101 Duro – 53mm

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

These wheels are 53 mm in diameter, 33.5 mm wide, have a contact surface (with the ground) of 21.5 mm and come in hardness 101A – rolling fast & well.

The wheels are sold in packs of 4.