Track Theorem Delta Bowling Ball ITRG89 M T03 rubber push-off sole

T03 rubber push-off sole

Ortholite footbed

Ball Featuring: Houk Design Matrix I

KR Strikeforce Leather Shammy Pad Carbon Black

Track Theorem Delta Bowling Ball ITRG89 M T03 rubber push-off soleTrack 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