This core boasts the lowest differential in the new No-Thumb category

BOWLING BALL CORE SHAPE: Symmetrical Core

Men’s Size 15

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Then look no further than the Brunswick Rhino bowling ball

Track Theorem Delta Bowling Ball Weights:13 lbs. This core boasts the lowestTrack Theorem Delta Bowling Ball The Track Theorem Delta builds on the legacy of one of Tracks most trusted performers by enhancing the benchmark motion that made the original so successful. It delivers the same strong midlane read and smooth, sweeping shape while adding a sharper response to friction for increased backend motion and continuation. Compared to the original Theorem, the Delta is more responsive downlane without sacrificing