Compare the specs of the Radical Guru and Radical Grease Monkey Whack 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 | Guru | Grease Monkey Whack |
| Cover Name | NA | NA |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 500 / 1500 SiaAir | 500 SiaAir / Royal Compound / Royal Shine |
| Color | Black Solid | Red Pearl / Turquoise Pearl / Purple Solid |
| Core Name | NA | NA |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.501 | 2.540 |
| Total Diff. | 0.044 | 0.048 |
| Int. Diff. | 0.018 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |