Track Proof
Bowling Ball Details
| Manufacturer | Track |
| Core | Proof (DynamiCore) asymmetrical |
| Cover | Prime Response Solid Reactive |
| Factory Finish | 500/2000 Siaair |
| Color | Black Grey |
| Release Date | 3/19/2020 |
| Retired | Yes |
Core Specs
| LB | RG | Diff | Int Diff |
|---|---|---|---|
| 16 | 2.506 | 0.052 | 0.020 |
| 15 | 2.519 | 0.052 | 0.020 |
| 14 | 2.538 | 0.052 | 0.020 |
| 13 | 2.589 | 0.043 | 0.011 |
| 12 | 2.612 | 0.043 | 0.011 |