Bowler Ratings

PatternStTwCr
Oily:X.XX.XX.X
Medium:X.XX.XX.X
Dry:X.XX.XX.X
Sport:X.XX.XX.X

Bowler ratings are from 1 to 10 in order of Stroker (ST), Tweener (TW), Cranker (CR)

Note: Ratings are only available to our subscribers.

General Info

Coverstock Specs
Name:Grand Theft Reactive III Pearl
Type:Reactive Pearl
Box Finish:500 / 500 / 500 / 1000 Abralon / Powerhouse Clean N' Sheen
Color:Black / Blue
Empty
Core Specs
Name:Widow Nasty
Type:Symmetrical
RG:2.56
Diff:0.054
Int. Diff:0.000

The Hammer Spike Black/Blue uses the same core shape as the first Spike, this time surrounded by the Grand Theft Reactive III pearlized coverstock. This cover will be more responsive to friction than the original Spike.

The big back end reaction was best for us on the medium test pattern. Cranker was deeper at the arrows per usual and was able to get the Spike farther right than the other two testers. Stroker and Tweener were four to five boards different at the arrows, but were getting it to the same spot at the breakpoint. All three testers ...

Hammer Spike Black/Blue Comparisons

Click below to see a comparison table of the pair of bowling balls shown:

To compare the Hammer Spike Black/Blue to any other bowling ball(s), please use our Bowling Ball Comparison tool.

The BTM Ball Testing Team

About The BTM Ball Testing Team

The BTM Ball Testing Team is led by Eric Martinez. Our team of three testers has thrown and reviewed hundreds of bowling balls for Bowling This Month. When not testing balls for BTM, Eric owns and operates University Pro Shop in San Antonio, TX and he is an avid competitive bowler. Click here to learn more about how we test and review bowling balls.