Compare the specs of the Roto Grip RST X-3 and Roto Grip TNT 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 | RST X-3 | TNT |
| Cover Name | MicroTrax Hybrid | eTrax PLUS Solid |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 4K - Fast | 2000 Abralon |
| Color | Yellow / Smoke / Grape | Amber / Fire / Blaze Orange |
| Core Name | RST (Roto Star Tour) | Torpex |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.53 | 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. | |