Compare the specs of the Radical Grease Monkey Whack and Radical Guru 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 | Grease Monkey Whack | Guru |
| Cover Name | NA | NA |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 500 SiaAir / Royal Compound / Royal Shine | 500 / 1500 SiaAir |
| Color | Red Pearl / Turquoise Pearl / Purple Solid | Black Solid |
| Core Name | NA | NA |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.540 | 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. | |