The Infinite Theory is the latest addition to Roto Grip’s Crown line of bowling balls. It takes the Triliptic Core found in the original Theory and surrounds it with the Insight Hybrid reactive cover. The overall ball reaction should fit right below the original Theory. The Infinite Theory will handle a much wider variety of oil patterns than the Theory.

We found it to match up best with our medium test pattern. All three testers were able to get the ball down the lane with ease, while experiencing strong revs in the midlane. The back end reaction was consistently ...