Compare the specs of the Roto Grip Sinister and Roto Grip Totally Defiant 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 | Totally Defiant |
| Cover Name | 76H Hybrid Reactive | 74MH |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | 4000 Grit Pad | 1500 Grit Polished |
| Color | Neon Yellow and White Pearl / Navy Solid | Yellow / Smoke / Ruby |
| Core Name | Cage | NA |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.49 |
| Total Diff. | 0.054 | 0.054 |
| Int. Diff. | 0.015 | 0.017 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |