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:PowrKoil 18
Type:Reactive Solid
Box Finish:500 SiaAir / Rough Buff / High Gloss Polish
Color:Blue / Black Solid
Empty
Core Specs
Name:NA
Type:Symmetrical
RG:2.527
Diff:0.040
Int. Diff:0.000

Say goodbye to the Avalanches and say hello to the Karmas. Brunswick has come out with both a solid and pearlized version of the Karma. The Karma Solid has the ability to handle some oily and dry conditions alike. It is best suited for the typical house condition where every style of bowler will find a lot of use for it.

Our medium lane condition offered very little challenge. The strong back end of the Karma Solid let us play almost exactly where we did with the Karma Pearl but we had unlimited recovery on shots missed right of target. Even though the ball is on the stronger side for its price point, Cranker was the only one who was deeper than ...

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.