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

Coverstock Specs
Name:ERG Hybrid Reactive
Type:Reactive Hybrid
Box Finish:3000 Grit Pad
Color:Purple Pearl / White Pearl / Black
Core Specs
Int. Diff:0.017

The Crux offers the latest core technology from Storm and combines it with the new hybrid ERG coverstock. The Crux’s new Catalyst core is a low RG, high differential asymmetrical that is designed to reduce the amount of change that occurs to the ball’s mass properties as a result of drilling.

Two of our three testers had their best reaction on the heavy test pattern. Stroker and Cranker saw the ball read strong in the midlane and make a strong, continuous move at the back end. The Crux’s sanded cover gave these two testers enough traction in the oil for the lines they played on this pattern. Tweener was stuck between seeing too

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.