Compare the specs of the Roto Grip TNT Infused and Roto Grip Duo 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 | TNT Infused | Duo |
| Cover Name | eTrax Hybrid Reactive | MicroTrax Pearl Reactive |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | Reacta Gloss | Reacta Gloss |
| Color | Glow Orange / Copper / Plum | Black / Electric Green |
| Core Name | Torpex | Mentor |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.47 | 2.49 |
| Total Diff. | 0.052 | 0.046 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |