Compare the specs of the Roto Grip UFO Alert and Roto Grip RST X-1 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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|Brand||Roto Grip||Roto Grip|
|Ball Name||UFO Alert||RST X-1|
|Cover Name||eTrax Hybrid||MicroTrax Hybrid|
|Cover Type||Reactive Hybrid||Reactive Hybrid|
|Box Finish||1500 Grit Polished||3000 Abralon|
|Color||Purple Solid / Emerald / Teal||Black / Dark Forest / Forest Pearl|
|Core Name||E.T. (Equalizer Technology)||RST (Roto Star Tour)|
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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