Spitfire Formula Four 101D Classic 54mm Skateboard Wheels
CLASSIC SHAPE
The 1 Shape in skateboarding worldwide – proven for speed and control.
| SIZE | WIDTH | RIDING SURFACE |
| 50 | 30 | 14.5 |
| 51 | 31 | 15 |
| 52 | 32 | 15.5 |
| 53 | 33 | 16 |
| 54 | 33.5 | 16.5 |
| 56 | 35.3 | 17.8 |
| 58 | 35.8 | 18 |
| 60 | 39 | 21.5 |
