

Spitfire Wheels Formula Four 101D Conical Full Shape 
Size: 53mm
Conical Full Shape – With a wide riding surface and a cutaway design, this shape has unmatched control and lasting speed everywhere.
Formula Four Urethane –Formula Four urethane is unlike any other. Both in the streets and under high-speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their original shapes and sizes longer than any other wheel.
| SIZE | WIDTH | RIDING SURFACE | 
| 52MM | 32.5MM | 21MM | 
| 53MM | 33.5MM | 21.5MM | 
| 54MM | 34MM | 22MM | 
| 56MM | 36MM | 25MM | 
| 58MM | 37MM | 27.3MM | 
*All wheels are sold and packaged as a set of 4.