Track Theorem Delta Bowling Ball

Track Theorem Delta Bowling Ball

The Track Theorem Delta builds on the legacy of one of Track’s 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 predictability, making it a versatile, reliable choice for a wide range of lane conditions and bowling styles.

This is a pre order bowling ball and it will ship on the release date.
Release Date: August 13, 2026.

• Performance Level: Upper Mid Performance
  
• Color: Black / Indigo / Blue
  
• Core: MC2 Asym
  
• Core Type: Asymmetrical 
  
• Coverstock: Super Response Hybrid (HK22)
  
• Cover Type: Hybrid Reactive
  
• Finish:  500, 1000, 1500 Siaair
  / Factory Compound
  
• Lane Condition:  Medium to oily
  
• Weights: 12 lbs. - 16 lbs.
  
• RG: 2.473 (15 lbs.)
  
• DIFF: 0.046 (15 lbs.) ,  INT DIFF: 0.017
  
• Warranty: Limited 2 Years Warranty
  
• Reaction: Skid / Flip