Track Theorem Pearl Bowling Ball Color: Purple/Blue/Sky Blue Coverstock: Prime Response Pearl (HK22) Weight Block: MC2 Asym Factory Finish: 500, 1000, 1500 Siaair / Factory Compound Flare Potential: High Radius of Gyration (RG): 16lbs - 2.485; 15lbs - 2.473; 14lbs - 2.487 Differential (Diff): 16lbs - 0.044; 15lbs - 0.046; 14lbs - 0.046 Intermediate Differential (Diff): 16lbs - 0.017; 15lbs - 0.017; 14lbs - 0.017 Fragrance: N/A Additional product information: The Theorem was a standout ball this year and made many 'Ball of the Year' lists. Its big sweeping motion and strong continuation make the Theorem a ball that is easy to throw strikes with. It’s also a ball that is hard to outdo and follow, but our engineers cracked the code with the new Theorem Pearl. The goal wasn’t to reinvent anything here but to enhance what we already have. The best way to create a complement to the line was to start with the same core and cover base and add a pearl to the HK22-Prime Response cover. Adding a pearl to this combination pushes the Theorem Pearl’s reaction further down the lane, creating a sharper and more defined breakpoint than the original.
