Compare the specs of the Roto Grip Sinister and Roto Grip Hyper 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 | Sinister | Hyper Cell |
| Cover Name | 76H Hybrid Reactive | 80H MicroBite |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 4000 Grit Pad | 2000 Grit Pad |
| Color | Neon Yellow and White Pearl / Navy Solid | Purple / Yellow / Black |
| Core Name | Cage | Nucleus |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.52 |
| Total Diff. | 0.054 | 0.056 |
| Int. Diff. | 0.015 | 0.018 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |