Roto Grip RST X-1
Bowling Ball Details
| Manufacturer | Roto Grip |
| Core | Roto Star Tour asymmetrical |
| Cover | MicroTrax Hybrid Reactive |
| Factory Finish | 3000 Abralon |
| Color | Black Dark Forest Forest |
| Release Date | 11/27/2020 |
| Retired | Yes |
Core Specs
| LB | RG | Diff | Int Diff |
|---|---|---|---|
| 16 | 2.520 | 0.049 | 0.015 |
| 15 | 2.530 | 0.053 | 0.016 |
| 14 | 2.550 | 0.053 | 0.016 |
| 13 | 2.570 | 0.032 | 0.010 |
| 12 | 2.590 | 0.029 | 0.008 |