Hook Potential: Aggressive overall hook

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

Men’s Size 15

BOWLING BALL CORE SHAPE: Symmetrical Core

Shop our selection now

Track Theorem Delta Bowling Ball Weights:13 lbs. Hook Potential: Aggressive overall hookTrack 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