Compare the specs of the Roto Grip Tour Dynam-X and Roto Grip X-Cell 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.
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| Brand | Roto Grip | Roto Grip |
| Ball Name | Tour Dynam-X | X-Cell |
| Cover Name | Tour Trax Solid Reactive | eTrax ULTRA Solid Reactive |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 2000 Abralon | 2000 Abralon |
| Color | Dark Cyan / Onyx | Turquoise / Navy / Black |
| Core Name | Rondure Tour | Nucleus + AI |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.47 | 2.50 |
| Total Diff. | 0.026 | 0.056 |
| Int. Diff. | 0.010 | 0.019 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |