Radical Guru Master vs. Radical Primo Solid

Compare the specs of the Radical Guru Master and Radical Primo Solid side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.

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Radical Guru Master
Ball NameGuru MasterPrimo Solid
Cover NameNANA
Cover TypeReactive SolidReactive Solid
Box Finish500 / 1500 SiaAir500 / 2000 SiaAir
ColorBlack / Orange SolidBlue / Lime Green
Core NameNANA
Core TypeAsymmetricalSymmetrical
Radius of Gyration (RG)2.5012.483
Total Diff.0.0440.048
Int. Diff.0.0180.000



Back End

Total Hook

Ball Tester Ratings

Bowling Ball Comparison Graph

The graph below shows a visual comparison of the selected balls. Hover over each colored circle in the graph to see that ball’s name and ratings. Click a circle to view that ball’s full review.

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