Compare the specs of the Roto Grip Magic Gem and Roto Grip TNT Infused 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 | Magic Gem | TNT Infused |
| Cover Name | MicroTrax Hybrid Reactive | eTrax Hybrid Reactive |
| Cover Type | Reactive Hybrid | Reactive Hybrid |
| Box Finish | 2000 Abralon | Reacta Gloss |
| Color | Citrine / Rhodonite / Jet | Glow Orange / Copper / Plum |
| Core Name | Defiant LRG | Torpex |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.47 | 2.47 |
| Total Diff. | 0.053 | 0.052 |
| Int. Diff. | 0.016 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |