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:80H MicroBite
Type:Reactive Solid
Box Finish:2000 Grit Pad
Color:Purple / Yellow / Black
Empty
Core Specs
Name:Nucleus
Type:Asymmetrical
RG:2.52
Diff:0.056
Int. Diff:0.018

The Roto Grip Hyper Cell is a high performance ball designed for use on heavy oil. This HP4 ball uses Roto Grip’s proven Nucleus core and a very aggressive solid reactive coverstock called 80H MicroBite.

Note to subscribers: The Roto Grip Hyper Cell was released during Bowling This Month’s transition period from print magazine to online magazine. We were not able to perform our standard three tester / four oil

The Roto Grip Hyper Cell is a high performance ball designed for use on heavy oil. This HP4 ball uses Roto Grip’s proven Nucleus core and a very aggressive solid reactive coverstock called 80H MicroBite.

Note to subscribers: The Roto Grip Hyper Cell was released during Bowling This Month’s transition period from print magazine to online magazine. We were not able to perform our standard three tester / four oil pattern test sequence on this ball. However, we did perform the on-lane testing required to generate the performance ratings (torque, length, back end, and total hook) that are found in

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.