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:August 2015
Coverstock Specs
Name:80H MicroBite
Type:Reactive Solid
Box Finish:2000 Grit Pad
Color:Navy / Peach / Sky Blue
Core Specs
Name:Middle Roll 70
Int. Diff:0.000

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

The Haywire is Roto Grip’s HP3 release for the new season. This ball features the same Middle Roll 70 core shape that was used in the wildly successful Disturbed. This proven weight block is paired with the 80H Microbite coverstock. As some of you will recall, we first saw MicroBite on the Defiant, which was the high-end ball at the time. It was subsequently used on last year’s Hyper Cell. Pairing up elements of previous balls that were monsters on heavy oil patterns makes the Haywire an easy choice on long and slick conditions. It comes out of the box at a 2000 grit finish, giving it plenty of traction to chomp through heavy volumes of oil.

This ball grabbed the lane early even on our slickest test condition. Even our lowest rev tester Stroker saw easy hook on his least favorite of our

Additional Roto Grip Haywire Resources

Click here to visit Roto Grip's website to read the manufacturer-supplied information on this ball. Also, see below for the manufacturer-produced promotional video for this ball.

Please remember that our reviews are solely based on our own testing and that you may sometimes find differences between our comments and ratings and the manufacturer's claims. Links to these manufacturer resources are provided here strictly for convenience purposes.

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.