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:S65 Reactive
Type:Reactive Pearl
Box Finish:Polished
Color:Purple / Pink Pearl
Empty
Core Specs
Name:NA
Type:Symmetrical
RG:2.555
Diff:0.045
Int. Diff:0.000

The 900 Global Jewel Purple/Pink modifies the core used in the original Jewel by lowering the differential and raising the RG. This core is wrapped by a pearlized s65 cover.

The end result is a ball that has added length and less total hook than the first Jewel. This reaction gave our testers the best reaction on the medium test pattern. Stroker had the best reaction playing more up the lane than the other two testers. Cranker was deepest of the three and was going around the lane more. He could not get too deep once the pattern started breaking down and had to move closer to the friction and increase his ball speed.

The dry test pattern gave us our next best reaction from the Jewel Purple/Pink. This ball

The 900 Global Jewel Purple/Pink modifies the core used in the original Jewel by lowering the differential and raising the RG. This core is wrapped by a pearlized s65 cover.

The end result is a ball that has added length and less total hook than the first Jewel. This reaction gave our testers the best reaction on the medium test pattern. Stroker had the best reaction playing more up the lane than the other two testers. Cranker was deepest of the three and was going around the lane more. He could not get too deep once the pattern started breaking

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.