Compare the specs of the Roto Grip Gem and Roto Grip RST X-3 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 | Gem | RST X-3 |
| Cover Name | MicroTrax Solid Reactive | MicroTrax Hybrid |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 2000 Abralon | 4K - Fast |
| Color | Citrine / Ruby / Amethyst | Yellow / Smoke / Grape |
| Core Name | Defiant LRG | RST (Roto Star Tour) |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.47 | 2.53 |
| Total Diff. | 0.053 | 0.053 |
| Int. Diff. | 0.016 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |