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:GTR IV Hybrid
Type:Reactive Hybrid
Box Finish:800 / 2000 Abralon / Powerhouse Factory Finish Polish
Color:Black / Gold Pearl
Empty
Core Specs
Name:Widow Nasty
Type:Symmetrical
RG:2.56
Diff:0.054
Int. Diff:0.000

The Hammer Spike Black/Gold is the third release under the Spike name. The weight block is the same Black Widow Nasty core that was used in the previous two Spikes. The change for this season is the coverstock. The Spike Black/Gold uses the Grand Theft Reactive IV Hybrid coverstock to add to the GTR III Pearl and GTR III Solid covers on the older two Spikes. This ball will fit between the last two Spikes in length and total hook, making it a viable option on medium light patterns.

With its polished box finish, this Spike was most useful on our medium test pattern. The extra length from the higher grit under the polish pushed us farther right on this pattern. All three testers were within five boards of each other at ...

Hammer Spike Black/Gold Comparisons

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

To compare the Hammer Spike Black/Gold 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.