Compare the specs of the Roto Grip Eternal Cell and Roto Grip Critical side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
Click here to add or remove balls from this comparison.
 |  | |
| Brand | Roto Grip | Roto Grip |
| Ball Name | Eternal Cell | Critical |
| Cover Name | 75M | 67MH Hybrid |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 1500 Grit Polished | 3000 Grit Pad |
| Color | Raspberry / Orange / Black | Purple and Green Pearl / Grey Solid |
| Core Name | Nucleus | Triliptic |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.49 |
| Total Diff. | 0.056 | 0.058 |
| Int. Diff. | 0.018 | 0.013 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |