Track Theorem Delta Basic Drill Lock-in Comfort: Once you find

Lock-in Comfort: Once you find the perfect fit

Measuring at 8" x 7

Its smooth surface ensures reliable performance for spares or casual play

Speed Dominant Bowlers - For speed dominant bowlers

Don't miss out on the opportunity to enhance your performance on the lanes

Track Theorem Delta Basic Drill Lock-in Comfort: Once you findThe Track Theorem Delta attacks medium to heavy oil with an aggressive skid flip motion. At its heart is the asymmetric MC core, wrapped in the all new Super Response Hybrid (HK22) coverstock a hybrid that gets cleanly through the fronts, then flips hard off the friction for a sharp, angular breakpoint. Tuned to a 500, 1000, 1500 Siaair Factory Compound finish, the Theorem Delta stores energy down the lane and releases it with a strong, defined