Track Theorem Delta Bowling Ball Weights:13 lbs. this ball is a solid

this ball is a solid pick for league bowlers and serious competitors who demand consistent performance

Color: Black/Blue/GoldAll colors do vary somewhat from the picture shown

Holds up to size 17 men's shoe

This ball uses the Altered Hotshot core wich was designed to offer the length and reaction needed at the HP2 performance level

Track Theorem Delta Bowling Ball Weights:13 lbs. this ball is a solidTrack 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