Compare the specs of the Hammer Spike Black/Gold and Hammer Viral 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.
Click here to add or remove balls from this comparison.
 |  | |
| Brand | Hammer | Hammer |
| Ball Name | Spike Black/Gold | Viral |
| Cover Name | GTR IV Hybrid | Violent Flip Reactive |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | 800 / 2000 Abralon / Powerhouse Factory Finish Polish | 500 / 1000 Abralon / Powerhouse Factory Finish Polish |
| Color | Black / Gold Pearl | Gun Smoke |
| Core Name | Widow Nasty | Vibe |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.56 | 2.51 |
| Total Diff. | 0.054 | 0.042 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |