Bowler Ratings


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

Note: Ratings are only available to our premium members.

General Info

Reviewed:September 2017
Coverstock Specs
Name:GB 10.7
Type:Reactive Pearl
Box Finish:500 / 2000 Abralon / Powerhouse Factory Finish Polish
Color:Black Sparkle / Aqua; Black / Purple / Gold; Orange / Blue Pearls
Core Specs
Int. Diff:0.000

For details on our standard test layouts, please click here.

The Ebonite Turbo/R is available in three color combinations, all using the GB 10.7 coverstock and the new Turbo/R core. This symmetrical weight block is a high RG shape (2.59″) with a low total differential (0.035″). When combined with the Turbo/R’s 2000 Abralon polished box finish, it provides plenty of length on medium volume patterns. Our testers all used the Black Sparkle/Aqua version of the Turbo/R during our test session.

Stroker, Tweener, and Cranker were all able to play straighter up the lane with this ball on our medium oil pattern. Stroker was the straightest of the three, laying his ball down on 11, crossing the 9 board at the arrows, and getting his ball out to eight at the breakpoint. Tweener was able to start his ball on 16, crossing 12 at the arrows and using nine as his breakpoint. Cranker went around the lane more than the other two testers, but he was still straighter than he was with the Cyclone. He was crossing the middle arrow and using eight as his breakpoint downlane. All three testers saw their

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.