Compare the specs of the Radical Primo Solid and Radical Guru Master 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 | Radical | Radical |
| Ball Name | Primo Solid | Guru Master |
| Cover Name | NA | NA |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 500 / 2000 SiaAir | 500 / 1500 SiaAir |
| Color | Blue / Lime Green | Black / Orange Solid |
| Core Name | NA | NA |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.483 | 2.501 |
| Total Diff. | 0.048 | 0.044 |
| Int. Diff. | 0.000 | 0.018 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |