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.

900 Global Respect (2018)

900-global-respect-2018

The Respect is a remake of the original hybrid version from four years ago, with all of the same elements from the original. The coverstock is the 79 Alert Hybrid formulation, which comes out of the box at a 1500... [Read More]

Roto Grip Winner Solid

roto-grip-winner-solid

Roto Grip's HP2 line is currently made up of two bowling balls: the original Winner and the new Winner Solid. Both balls share the symmetrical Altered Hotshot core design, with the differences between the two Winners being their coverstocks and... [Read More]

Roto Grip Idol Pearl

roto-grip-idol-pearl

The Idol Pearl joins the original Idol as the only two current bowling balls in Roto Grip's HP3 line. This ball very nicely complements the Idol by providing more length, a stronger move off the dry, and more back end... [Read More]

900 Global Honey Badger Claw

900-global-honey-badger-claw

The 900 Global Honey Badger Claw uses the same Grapnel Asymmetric core as the original gold Honey Badger. The difference comes in the coverstock, which is the S71 Solid cover at a 2000 Abralon finish. The black and purple Honey... [Read More]

Motiv T10

Motiv T10

The limited-edition T10 celebrates Motiv's 10th anniversary by combining the core and logo style from their very first ball—the TX1—with an updated coverstock. The symmetrical Thrust weight block provides an RG of 2.54" and a total differential of 0.052". The... [Read More]

Brunswick Tenacity Grit

Brunswick Tenacity Grit

The Tenacity Grit joins Brunswick's Pro Performance line as the follow-up to the original Tenacity. The Grit uses the new pearlized URG coverstock in conjunction with the same asymmetrical Tenacity Low RG core as the original. The box finish is... [Read More]

Ebonite Impact

ebonite-impact

The Impact uses the CB-2 Asymmetric core from the Pivot and pairs it with the GSV-1 Hybrid coverstock from the Choice. This lower RG and medium-high differential core produces less flare in the oil than both the Mod-1 core from... [Read More]

Columbia 300 Spoiler Alert

Columbia 300 Spoiler Alert

The Spoiler Alert is the pearl-covered complement to the original Spoiler release from last year. This ball features the same symmetrical Spoiler core shape as the original that is paired up with the Reflex Pearl coverstock. This pearl cover exits... [Read More]

Hammer Web

Hammer Web

The Web is part of a dual release offering from Hammer in their Upper Mid Performance line. This ball uses the Spheroid weight block from the Rhodman Pearl, which saw great success on the PWBA Tour. This core design provides... [Read More]

Brunswick Vintage Vapor Zone

Brunswick Vintage Vapor Zone

The Vapor Zone is the latest ball to get the vintage treatment from Brunswick. It uses the same color scheme from the original Vapor Zone, as well as the same Zone Asymmetric core design. The cover has been updated to... [Read More]