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:February 2015
Coverstock Specs
Name:Bend-It Pearl
Type:Reactive Pearl
Box Finish:500 / 2000 Abralon / Powerhouse Factory Finish Polish
Color:Purple Flair
Core Specs
Int. Diff:0.000

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

The Delirium is the first mid-price release for Columbia 300 of the 2015 calendar year. This ball uses the Resurgence core from the Eruption line and it is surrounded by the Bend-It Pearl coverstock that was used previously on the upper-mid priced Vow. This ball is finished with 500 and then 2000 Abralon pads before Powerhouse Factory Finish Polish is applied to it. It is rougher than previous releases and the sanding lines were visible to us on our test balls.

On our medium pattern, we saw this ball pick up stronger in the midlane than the Vow, which has a smoother surface finish. We were able to see an increased motion at the breakpoint and

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.