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:Ultimate Vision Hybrid Reactive
Type:Reactive Hybrid
Box Finish:1500 Grit Polished
Color:Black / Gold Pearl
Empty
Core Specs
Name:NA
Type:Symmetrical
RG:2.55
Diff:0.042
Int. Diff:0.000

The Rising Star is a new ball in the Shield line of Roto Grip products. This line features the Photon core, which has been tweaked in this release. The modification has lowered the RG and raised the Diff from the version found in the Riot and Dark Star. The cover is a new version of Ultra Vision that is a hybrid.

We found this core/cover combination to match up best with our medium test pattern. For Cranker, the Rising Star read the midlane extremely well with a strong arcing motion at the back end. Tweener and Stroker experienced more skid through the front with a much stronger move at the back. Usually Cranker is the one who sees the most recovery, but not this

The Rising Star is a new ball in the Shield line of Roto Grip products. This line features the Photon core, which has been tweaked in this release. The modification has lowered the RG and raised the Diff from the version found in the Riot and Dark Star. The cover is a new version of Ultra Vision that is a hybrid.

We found this core/cover combination to match up best with our medium test pattern. For Cranker, the Rising Star read the midlane extremely well with a strong arcing motion at the back end. Tweener and Stroker experienced more skid

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.